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For other uses, see Doctor Eggman (disambiguation) and Robotnik (disambiguation).

Hahaha! Citizens of earth, lend me your ears and listen to me very carefully! My name is Doctor Eggman, the world's greatest scientist and soon to be the world's greatest ruler. Now witness the beginning of the greatest empire of all time! Hahahaha!


— Dr. Eggman, Sonic Adventure 2

Doctor Ivo Robotnik[9] (ロボトニック[10][11] Robotonikku?, lit. "Robotnik"), better known by the alias Doctor Eggman[12] (ドクター・エッグマン[13] Dokutā Egguman?), is the main antagonist of the Sonic the Hedgehog series. He is an evil human scientist and the arch-nemesis of Sonic the Hedgehog. Boasting an IQ of 300,[2] Eggman is a self-proclaimed evil scientist[14] and a genuine genius megalomaniac[15] who dreams of dominating the world with his Eggman Empire using his scientific expertise. For all his brilliance, however, Sonic and his friends constantly find a way to foil his plans and keep him at bay.[15][16]

Never discouraged from his goals, Eggman is always able to come up with a seemingly endless supply of plots to make his world conquest dreams become a reality.[15][17] His ambitions and schemes ever growing, his plans have evolved from his days of making Animals his robot slaves into incredibly dangerous global threats that have involved building war machines, using doomsday devices to threaten entire nations, and relying on ancient mythological deities or eldritch abominations bent on destruction, all in the name of achieving his goals. Eventually, Eggman has gone as far as to target the entire universe and hatched schemes to control time and space itself.

While all of these plans end in failure due to the continued efforts of Sonic and his friends, the mad doctor is somehow always able to slip away from certain death or imprisonment and escape at the last moment, making him a constant threat to the universe and a thorn in Sonic's side.[18]

Concept and creation

One of the concepts for the hero of what eventually would be known as Sonic the Hedgehog. This character would later be slightly modified to become the main antagonist of the game, Dr. Eggman.

In April 1990, Sega requested a game that involved a mascot for their company.[19][20] They wanted a character to rival Nintendo's flagship mascot Mario; Sega president Hayao Nakayama in particular wanted a character as iconic as Mickey Mouse.[21] Sega had previously used Alex Kidd as their mascot, but because he was considered too similar to Mario, he was deemed unsatisfactory.[19] Several character designs were submitted by its AM8 research and development department. Amongst the proposed designs was a moustachoid man wearing pajamas that beared a resemblance to Theodore Roosevelt, drawn by Naoto Ohshima.[1] However, it was stated that the resemblance to Roosevelt was unintentional, the character taking inspiration from other characters instead. Eventually, Ohshima went on vacation to New York, taking sketches with him. There, he went to Central Park, where he would ask locals for their opinions on them. The man with a moustache was the second favorite, losing to a hedgehog character that would become Sonic the Hedgehog.[22]

Though the character was rejected, the concept was revisited by the development team, which wanted an egg-shaped character to be featured in Sonic the Hedgehog.[23] As it was evident that it could not be the game's protagonist, it was turned into the main antagonist instead.[23] Naoto Ohshima aimed for a design easy enough for children to draw, hence the rotund shape.[1] The team also wanted the character who was "the opposite of Sonic"; a character who represented "machinery" and "development" to play on the then-growing debate between developers and environmentalists.[1]

American artwork of "Dr. Robotnik" from the 1990s.

At the time of the release of Sonic the Hedgehog, Sega of America had little to no exposure to the established Japanese material for the game.[24] Eggman in particular was named "Doctor Ivo Robotnik" by ex-Sega employee Dean Sitton. On the fan website Sonic Retro, Sitton said that he chose the character's first name to be "Ivo" because his sister at the time had a Croatian boyfriend with that name; because one of its spellings, ee-vo, had a phonetic similarity with the word evil; and because the name backwards was ovi, which means egg in Latin, referencing the character's appearance.[24] The surname "Robotnik" was chosen because the word had Slavic roots related to work, an idea that fitted with the game having industrial and revolutionary vibes, and the character kidnapping Animals to cram them into slave robots. Other names that Sitton suggested included "Mister Badwrench", "Doctor X", "Mister Bad Year", "Fatty Lobotnik", and "Nasty McRotten".[24] Takashi Iizuka would later reveal in 2016 that the change in the name was done without Sega of Japan's consent.[25]

At the same time, Sega of America developed a new canon through what is known as the Sonic Bible, a collection of internal documents detailing the supposed backstory of the game. These documents established things not seen in Japanese sources, one of them being that Robotnik was orignally a kind scientist named "Dr. Ovi Kintobor" who turned into his current self following a laboratory accident. Additionally, early Western material would give the character different variations in appearance. The most notable change was the lack of glasses, in their place completely black eyes. Some merchandise featuring Robotnik would even make use of his design from the Adventures of Sonic the Hedgehog television series, or the one from the Sonic the Hedgehog television series.

Early proposed redesigns for Eggman for Sonic Adventure.

When Sonic Adventure was being developed, Yuji Uekawa redesigned Eggman into a taller man with a different attire. Other proposed redesigns included an appearance that resembled his original appearance, and one where he had a more mechanical attire and an actually egg-shaped torso. Additionally, during the late 1990s, Sega of Japan made efforts to unite both names of the character, as they did not want a character in the series with two names.[25] As such, the name "Robotnik" would be used as Eggman's real name in the Japanese Sonic Jam Official Guide and Sonic Adventure: Navigation Guide.[10][11] Meanwhile, in the West, the character would be retconned to unify the names worldwide, making "Ivo Robotnik" his true name and "Eggman" his nickname, leaving him with the full name of Doctor Ivo "Eggman" Robotnik.[25] This idea was further pushed by Yuji Naka, who explained that "Robotnik" is the character's true last name, while "Eggman" is a "common name taken after his shape."[26] Since then, the character would be more commonly known as "Eggman" worldwide. However, in Japan, the name "Eggman" was always used instead of "Robotnik" with very little exceptions,[27] with sources such as Sonic Channel listing Eggman's full birth name as unknown.[2] Nevertheless, the name itself made brief appearances on rare occasions.

Appearance

Dr. Eggman is an obese, tall human with a small, bald head with blue[4][28] eyes, a pinkish nose, and a bushy, mahogany-colored[4] mustache.

During his early years, up until before the Chaos incident, Eggman had a totally spherical torso with thin but proportionate arms and legs. He wore a red top with a short yellow cape, attached to his shoulders by a triangular collar, black pants with attached boots and a pair of large silver buttons on the front, white globes, and mirrored pince-nez glasses. His nose was also bright red and his mustache was neater, with only three tufts sticking out at each end.

Since the Chaos incident, Eggman has remained obese, but has become somewhat taller and burlier, with a torso roughly shaped like an egg, hence his nickname;[15][3][29] long, almost disproportionately thin arms and legs; and a softer pinkish nose. His mustache retains its length, density, and mass, while also becoming much more unkempt. For attire, Eggman now wears both his tinted glasses and green-lensed goggles as headwear; and an elegant, red coat sporting two square metal buttons on both sides of the chest in gold. These buttons have white straps that run across the coat's sides to identical buttons on the back. The coat also has silver, zipper-like linings down the back, arms, and front, yellow cuffs, and two extensions on the front that have large silver buttons. In addition, Eggman wears white, cuffless gloves on his hands and a pair of black pants with matching boots seemingly attached to them bearing circular plates on the both sides of the ankles and three square ones riding up the shin.

On special occasions, Eggman has worn different outfits:

  • For the purpose of camouflage, Eggman wears a military suit that consists of a black helmet that covers most of his head, a pair of large, black glasses, and a jacket that looks almost identical to his normal one except that it is black instead of red.
  • For the purpose of Extreme Gear racing, Eggman wears a bright red coat with a small white cape, two zippers on the sides and one at the center, and yellow cuffs; and a white T-shirt. While still retaining his gloves, glasses and pants, he also wears a white helmet with his goggles and a gray belt with a golden buckle on it.
  • During the Tokyo Olympics, Eggman has worn a pair of black shorts, a white T-shirt, and red and white sneakers with gray soles; in addition to his standard pince-nez glasses and goggles.

During the Solaris incident, Eggman had a radically different appearance. In particular, he had yellow bolt-like buttons on his red coat where the buckles originally were, as well as a slightly raised collar obscuring his chin. His mustache, while still bushy, also looked more groomed, and he also, while still overweight, looked very lean by comparison to his usual designs. His nose was also colored the same as the rest of his skin.

Personality

Dr. Robotnik's profile, from Sonic Jam.

Eggman is an evil,[10][11] mean,[30] self-proclaimed genius scientist[11][14] who always thinks about doing bad things.[31] Said to be the world's most evil and vindictive person, as well as its worst screw-up,[32] his true motivations are obtaining power and dominance.[33] He uses his scientific genius and robotic expertise to create weapons and gadgets in his bid to conquer the world and establish his Eggman Empire,[16] his motives for doing so being allegedly the ridiculous delusions of grandeur he suffers[17] and his psychotic belief that the problems of the world will be solved if he rules the planet.[34][35] Though his views of the world as it is right now cannot be understood by normal people,[14] he believes that an enslaved planet[36] that is filled with machines[15] and under his rule, which is embodied in the form of Eggmanland, is the ultimate utopia.[37]

Noted for being very selfish[11][38] and filled with ego and greed,[30] Eggman is extremely narcissistic and egotistical, having done all of his actions only for his own benefits.[35] He has a tendency to plaster his persona all over his creations and bases, which has been used to his enemies' advantage.[39] Because he places so much value on his aesthetics, his design philosophy regarding his inventions often focuses on design and gimmickry more than necessary.[11] His narcissism is such that when he first discovered the Phantom Ruby, it showed his deepest desire in the form of a complete Eggmanland with various labels of his names and statues to himself.[40] Possessing no empathy or care for others either, Eggman never puts a thought on other people,[41] even ignoring his allies when revealing himself and giving all the credit to himself instead.[42] Cunning and astute as well, he will have no doubts in lying to others to make them his subordinates, and will happily abandon them at the last moment if they have outlived their purpose.[43][44] Noticeably, during the Angel Island incident, he tricked Knuckles to cooperate with him and later stole the Master Emerald from him to power his Death Egg. He is also not tolerant in failure, specially when it comes from his henchmen; as implied by Orbot, Eggman does not care about his own minions and treats them badly.[45] This is best illustrated during the Chaos incident, where Eggman treated most of the E-100 Series robots that failed to find Froggy very harshly, referring to them as "worthless hunks of junk",[46] and even went as far as to remodel one of them to be part of a pillar onboard the Egg Carrier and put its recorded history into a file of his named "Unfortunate".[47]

Despite his intelligence, Eggman can be very immature,[48] which is what makes him so eager to conquer the world.[49][50] This childish behavior makes him believe that taking over the world can be easy.[3] He is also often prone to throw emotional and childish outbursts when Sonic manages to wreck his plans.[14] His immaturity is usually best displayed whenever he gets insulted or when his plans begin to break apart when victory was previously assured. Despite this though, Eggman is extremely short-tempered and aggressive, and can also be very serious and threatening. However, he shows the latter side very rarely, usually when extremely aggravated or during very serious situations. Under this pressure, he often attempts to intimidate his opponents by death threatening them. Notable instances of this include the Chaos incident, where he menaced Tails while barely even raising his voice after the fox cub had foiled his attempt to destroy Station Square; and the Lost Hex incident, where he, after being taunted by the Deadly Six about the impending destruction of the world, threatened them in an even-handed manner to destroy everything they desired before smashing the ice-block communication set they were using and retaining this tone when telling Orbot his hands were okay from smashing the ice blocks so long as he could strangle a Zeti with them.[51] On a similar note, he was also shown to possess a rather bleak and cruel sense of humor, even joyfully narrating the dangers his interstellar amusement park possessed during the Wisp incident. Similarly, in his propaganda video "Come Join the Eggman Empire" during the War to Take Back the Planet, he happily said that living in an area filled with pollution is a lot better than in one with clean air, especially after a Robotomy Treatment that saps its citizens of their ability to eat, sleep, and think ever again; which he claimed to be the "good life."[52]

Eggman stands out with his passion and love of robotics and machines in general,[36][9][4] which he lives for[30] and puts over anything else in life.[38] In fact, his fondness for them reaches the point where his definition of a perfect world is a planet with nothing but machinery. He believes that machines look beautiful, and likes the fact that he is able to control them to his will. Similarly, he takes great pride in his Badniks, and refers to them as his "masterpieces".[53] Because of this, Eggman always tries to replace all nature in the world with his machinery and make it "beautiful" with it,[15][54] even standing by his conviction that living in a heavily industrialized and polluted place is a better alternative to living in one with clean air.[52] A notorious polluter,[15] he does not care about the damage he does to the environment[55] and loves in particular to overexploit the natural resources of the planet.[15]

Dr. Eggman's profile, from the Xbox 360 version of Sonic Generations.

Eggman has never shown a willingness to do good or help others without it serving his own ends in some way. While sometimes displaying a comical disposition, he is still a cruel minded and brutal man who will use any opportunity presented to him to fuel his self-serving desires, even exploiting worldwide catastrophes to obtain power and dominance. Not caring about the consequences of his operations over the world's residents,[56] Eggman is even willing to destroy entire lands if he can gain something from it; notably, during the Lost Hex incident, he was inclined to destroy the entirety of the Lost Hex to get rid of the Deadly Six, despite Sonic saying that doing so would cause the Animals on the continent to die,[57] to which Eggman implied that "some sacrifices would be necessary".[58] On a similar note, it was also implied that part of the reason he recruited Infinite and his Jackal Squad was due to him being genuinely impressed with the mercenary's innate desire to cause the world to become war-torn after seeing his vision via the Phantom Ruby.[40] Though very rarely, Eggman is even willing to make suicide attacks as a twisted form of revenge; during the Chaos incident, he launched a missile deep into the heart of a heavily populated Station Square to utterly destroy it, even if that meant killing himself in the process, after Sonic and his friends caused his plans to use Chaos to dominate the planet failed.

Despite his desire for world domination, Eggman does, somehow, have a human side in his personality.[14] It has been stated that his character is not actually "evil"[54] and he is not a genuinely bad person; this behavior is rather because of his immaturity, which makes him unable to distinguish between right and wrong.[10] Because of his lack of common sense, he also appears to be blind about the catastrophes he causes, believing that these are actually good works of his for the well being of humanity and animals alike.[35] Regardless, he does not actually mean any ill will, and has stated that he intends to make the world a better place, albeit under his twisted views.[35][11] Furthermore, Eggman does not appreciate senseless destruction, tormenting and killing from other individuals and forces who are beyond his control; during the Black Arms incident in particular, he was shown to be disgusted and shocked at the thought that his own grandfather would sacrifice his own people for the sake of research and aid the Black Arms. His more humane side was shown in full force at the end of the Space Colony ARK incident, where he had an honest and genuine conversation with Tails about how much he adored his grandfather, questioning the actions of his fallen idol and wondering if he intended to destroy him as well. Additionally, Eggman has been described as a "self-proclaimed gentleman, a romanticist and a feminist".[50][29]

I can't figure you out. One second you're contemplating genocide, and the next you're saving one of your worst enemies.
I'm a complicated guy.


Sonic the Hedgehog and Dr. Eggman, Sonic Lost World

That said, however, Eggman seems to have no problem in committing senseless killing and destruction as long as he is the one in control of the forces doing so. The doctor is so bent on authority, that he refuses to let others destroy his planet outside his direction. This was best shown when Chaos betrayed Eggman and flooded all of Station Square, an action that Eggman had planned Chaos to do from the very beginning regardless of the beast's betrayal against him, but refused to allow his rampage to continue aimlessly. Also, during the Lost Hex incident, Eggman was content with conquering what was left of the world after the Deadly Six's actions, supporting that he does not care what condition the world is in as long as he is the one ruling it. Likewise, he is also not tolerant in destruction if it is done by a third party, especially if it interferes with his own goals of building his Eggman Empire. This was especially evident during the Black Arms incident, where Eggman considered the Black Arms to be a prime threat that could interrupt his plans.[37] Eggman's sudden changes of heart from time to time have even confused individuals like Sonic; during the Lost Hex incident, when the doctor unhesitatingly saved Tails from a Crabmeat-controlled Cubot, Sonic asked him why he would do that, to which Eggman replied that he was "a complicated guy".[57]

One of Eggman's strongest points[48] is his strong self-confidence and an absolute refusal to give up;[59] despite his constant defeats, he is never discouraged by them[8] and does not let them stop him.[36] Because of this, the doctor does not known when to quit,[38] and has yet to learn his lesson.[41] However, Eggman's self-confidence makes him tend to overestimate his abilities, overlooking crucial details in his plans and underestimating his enemies' chances of winning. Because of this, he can be very blind whenever he believes he has the upper hand, celebrating too early before he has completely overpowered his enemies, usually leading to his plans progressing much slower than planned; even then, Eggman refuses to listen to the consequences of the poor execution of his own planning and simply complains about his bad luck instead.[60][61] In fact, Eggman has gained somewhat of a reputation for screwing up at his plans, even when he has all the chances of winning with him.[62] Similarly, it was stated that, despite being convinced that he has a master plan, he is never actually sure how to pull it off.[3]

Powers and abilities

Despite what his appearance might suggest,[63] Eggman is an immense intellectual with an IQ of 300[2][4] (or even more[34]). Possessing overwhelming scientific power,[14] his most well-known ability is his genius-level intellect.[2] Noted to be the world's greatest super-genius scientist[32] and a true genius with robotics,[14] he is truly a certifiable genius[64] and an excellent scientist.[2][34] Possessing a renowned authority[65][49] and expertise on robotics,[38] along with having an unparalleled mastery of robotic engineering[66][18] with unparalleled technological skills,[56] he is a brilliant inventor.[18]

As a testament to his expertise in robotics, Eggman has designed and engineered numerous weapons and devices[17] that include the armies of foot soldiers[17] known as Badniks. These range from basic Egg Pawns and animal-based robots to the more weaponized Egg Gunners and juggernaut-like Interceptors and Big Chasers. He has even created some of the most powerful robots the world has seen, such as Metal Sonic, who rivals Sonic the Hedgehog in speed and power; and the E-Series, the last of which having been called the world's strongest robot.[67] Not only that, he has also created armadas of flying warships known collectively as the Eggman Fleet that boasts unmatched power throughout the universe; orbital space stations like the E.G.G. Station and the Death Egg (the latter of which is loaded with ground-breaking weaponry); weapons of mass destruction like the Final Egg Blaster which can destroy star clusters, inventions that can control peoples' minds on a global scale; and devices that let him harness the Chaos Emeralds' mystical powers to warp time and space to his will.[68] He has even displayed skills in merging naturally existing entities with mechanical or otherwise foreign parts, suggesting some knowledge in biological and alien physiology too: he was able to successfully turn the primordial form of the Time Eater into a cyborg-like creature and merge his finalized Phantom Ruby copy with Infinite. It is also said that he is experienced at company management, having amassed huge profits through production of robot weapons and building related facilities.[14]

Dr. Eggman piloting one of his battle mechs, from Sonic Unleashed.

Possessing keen vehicle intuition, Eggman has incredible skill in operating his various self-designed vehicles, from his own Egg Mobile to his various mechs and combat machines. Notably, during the Space Colony ARK incident, Eggman was able to power his way through hordes of GUN's combat robots with his Eggwalker during his invasions of the highly secure areas of Prison Island. Even Sonic has been known to be kept on his toes during his battles with Eggman in his mechs.[69] As seen during Dodon Pa's Grand Prix, Eggman also has excellent skills when it comes to driving and racing in racecars like his Egg Booster. Overall, his skills as a machine pilot are rivaled only by Tails, who was able to beat him during the Space Colony ARK incident in two mech fights. He can also coordinate with his allies very well during battles, as shown during the Sol Emerald incident, where he was able to control the Egg Salamander alongside Eggman Nega; and the Time Eater incident, where he could control the Time Eater with Classic Eggman with no problem. On a similar note, even though he has not made use of them too often, Eggman has demonstrated that he is a capable Extreme Gear rider, being able to drive various types of Gear, including his own E-Rider, with great expertise.

Owing to his masterminding plots and schemes, Eggman is also shown to be a genius in strategy and tactics; during the Space Colony ARK incident, he came up with a plan that outsmarted GUN and ensured the destruction of Prison Island. During the same incident, he also deduced that Sonic and his friends were planning to trick him into taking a fake Emerald from them and use it to undo his plans. In response, he outsmarted the heroes by trapping Sonic, anticipating that he had the fake Emerald (and tricking Tails into confirming it).[70][71] Also, during the War to Take Back the Planet, Eggman not only made sure to build a backup generator for the Phantom Ruby due to anticipating the possibility that the Resistance would destroy the primary one, but also left disinformation about how the Phantom Ruby was actually generating power and leaving the "generator" as a decoy.[72][73]

Intellect aside, Eggman is also quite physically powerful.[74] Classified as a Power Type,[75] he has considerable physical strength, enough to shatter a large and thick wall of ice with his bare hands.[51] He is also quite physically durable, being able to survive a fall down to Sonic's world from the Lost Hex and emerge from it nearly unharmed.[76] Also, despite what his huge, lumbering frame may imply, Eggman is able to sprint at immense speeds; during various incidents, he has been able to outrun Sonic himself for a few seconds to reach his next escape vehicle or weapon. He was also able to flee from the Deadly Six around the same pace as Sonic.[77]

Equipment

Eggman using his eyewear, from Sonic the Hedgehog (2006).

Despite how simple they appear, Eggman's glasses are in fact highly advanced technological eyewear. With them, he could track the Chaos Emeralds' locations in the corners of the distorted world after they were flung there by Solaris.[78] He also has a portable jetpack concealed within his jacket. With a press of the lower-right gold button on his jacket, he can extend the jetpack's wings and initiate flight.[79]

Weaknesses

Despite his amazing intellect, Eggman's impatience and arrogance tend to make him act hastily and overlook crucial details when he tries to concentrate on a greater goal. Such was the case during the Dark Gaia incident when he awoke Dark Gaia too early in order to harvest its power for the construction of Eggmanland without even considering the repercussions of awakening Dark Gaia before it had reached full maturity.[60] His childish behavior can be considered a weak spot of his as well.[48] He also tends to let his guard down too easily.[4]

Relationships

Sonic the Hedgehog

Eggman and Sonic, from Sonic Adventure.

You're pretty persistent for a hedgehog, aren't you? You're still alive, huh?


— Dr. Eggman, Sonic Adventure 2

Sonic the Hedgehog is Dr. Eggman's arch-enemy,[3][80] nemesis,[30] and eternal[81] rival.[29][82] Both of them have known each other well before the South Island incident, with Sonic having crushed Eggman's plans for world conquest since before that incident.[13][14] Because of this, Sonic is the one thing Eggman dislikes the most,[4][8] having considered the hedgehog to be his sworn enemy as early as during the South Island incident.[82] He despises the mere sight of him, and if there is anything for him to be happy about, it is when he can attack him unilaterally.[14] His hatred for Sonic reaches such extents that, by the time of the Chaos incident, Eggman had nightmares of the hedgehog that filled him with dread.[30] Similarly, it was implied that the destruction of the Death Egg following the Angel Island incident only furthered the doctor's rage and, in turn, his dislike for Sonic, and decided to improve some of his deadliest machines with the sole purpose of defeating him during the Death Egg mk.II incident.[44] Even though he has made it clear that his goal is to conquer the world, his dearest wish is to defeat Sonic[2] and "see his face streaked with tears".[59] However, their relationship is something that is surprisingly difficult to describe properly.[14] One thing is for sure, though: Sonic, who has crushed each and every one of Eggman's plans, is no longer the only thing the doctor has in mind for his plans of conquest. If he wants to conquer the world, he has concluded that he has to defeat Sonic first. However, while he does not want to go out of his way to find the hedgehog and duel him, Eggman seems to be somewhat enjoying himself while toying with Sonic when he shows up at a crucial moment in his plan.[14]

Sonic seems to tease Eggman a lot, and it is thought that the former might have given the doctor the nickname "Eggman", due to his body shape being an obvious target for criticism. Conversely, it is rare that Eggman will ever taunt Sonic back, unless he holds the proverbial cards. On the other hand, Eggman and Sonic are the kind of adversaries that take each other on not only in battles, but also when it comes to verbal exchanges such as insults and witty quips; when Eggman insults Sonic, Sonic always has a witty retort ready, and the sarcastic banter between the two is always a highlight of every conflict between them.[14] However, despite their opposing goals and rivalry, it implied that somehow, deep down, Eggman feels admiration and respect for Sonic,[34] and may even have a certain fondness for him and his determination.[3][64][49]

Eggman having successfully lured Sonic into a trap, from Sonic Unleashed.

Eggman, ever prideful, maintains a facade that his concern is only for world domination and not Sonic's death, although there are times when he will directly challenge him. It is also implied that his attempts and failures to defeat Sonic may have driven him somewhat insane, as after revealing his plan to use the Time Eater to rewrite history to ensure he came out on top, he proceeded to laugh maniacally and excessively, causing his past counterpart to become disturbed that he may eventually become as crazy as his present self. By the time of the War to Take Back the Planet, his hatred of Sonic grew to the extent that he created an invincible weapon of destruction to deal back all the defeats Sonic inflicted on him. Nonetheless, he did retain at least some grudging respect for his adversary, as shortly after Infinite's defeat, he admitted his surprise and impressment that Sonic was able to defeat his creation, although he nonetheless makes it very clear that he is impressed solely in the sense that it would make his defeating Sonic more satisfying.[83]

Miles "Tails" Prower

Killing you will be my pleasure, fox boy!


— Dr. Eggman, Sonic Adventure 2

Dr. Eggman trying to save Tails from a controlled Cubot, from Sonic Lost World.

Miles "Tails" Prower is another one of Eggman's worst enemies. The two first met during the West Side Island incident, where Tails aided Sonic during his quest to defeat Dr. Robotnik. However, they did not interact to each other a lot since then. This changed during the Chaos incident, where Tails managed to stop Eggman from destroying all of Station Square on his own. Since then, they have had a few moments of interaction with each other.

Notably, Tails has been one of the very few that were able to match Eggman in intellect, which was the source of their rivalry. Despite this though, Eggman is willing to (reluctantly) team up with Tails and his friends should the world be at stake. Over the course of the Space Colony ARK incident, it seemed as if their rivalry had watered down, possibly because they had to work together. At the end of that incident, Eggman even shared a conversation with Tails about how much he appreciated his grandfather. During the Lost Hex incident, Eggman and Tails had to team up to stop the Deadly Six. Despite this however, they had a very hostile relationship with each other at first, with the doctor being the target of Tails' insults, though they started to cooperate together after Tails realized his mistakes. Eggman in particular appeared to show some degree of respect for the fox cub; when Tails was captured, the doctor said that they needed to make sure that "his sacrifice was not for nothing" in a low somber voice. However, they became enemies once again at the climax of that incident when Eggman betrayed Sonic and Tails.

During the War to Take Back the Planet, Eggman also engaged in a rivalry with Tails regarding their fields in a similar manner to the Space Colony ARK incident, which was best demonstrated during Eggman's boss fight, where Tails, in response to the doctor gloating about the power he had acquired surpassed even his expectations and that his own genius scared even him at times, cited that counted as a failure due to Eggman miscalculating, before the latter pointed out that the ultimate of genius required surpassing expectations before stating Tails would not understand. Another example of this was when Eggman's artificial sun plan failed: when Eggman expressed shock and anger at the presence of another Phantom Ruby prototype due to having attempted to make sure they were all destroyed beforehand, Tails rubbed in on the failure by reminding him that a "good scientist" always checks and doublechecks his theories.

Knuckles the Echidna

Eggman and Knuckles the Echidna were once partners, meeting each other for the first time before the Angel Island incident, where the doctor, having managed to land his Death Egg on Angel Island, tricked the echidna into believing Sonic and Tails were after the Chaos Emeralds for evil purposes. However, Eggman eventually revealed his true intentions to Knuckles by snatching the Master Emerald with his Egg Mobile and electrocuting the echidna as he tried to save the massive gem. As Knuckles noticed he had been deceived, he befriended Sonic and Tails and helped them defeat the evil scientist. Despite this, Eggman still did not give up after his defeat to the heroes, sending an EggRobo and Mecha Sonic to eliminate Knuckles, but failed.

Ever since, Eggman has become the one person that Knuckles cannot trust at all and one of his greatest enemies yet. However, due to his gullible nature, he still seems to fall for the doctor's lies. Nonetheless, Knuckles has gotten better with this over the years and is more aware of Eggman's plans, even showing a rough attitude towards the doctor in later incidents.

Metal Sonic

Dr. Eggman and Metal Sonic, from Mario & Sonic at the Rio 2016 Olympic Games.

Metal Sonic is one of Eggman's favorite creations,[84] which he has described as one of his "masterpieces".[53] The doctor created Metal before the Little Planet incident with extreme accuracy to Sonic[85] for the sole purpose of defeating Sonic with speed and power rivaling the hedgehog's own.[86][9][87][88] Even though the robot lost to Sonic during that incident, Eggman did not lose hope in him, and has since rebuilt him several times to accomplish his various agendas, even to the point of summoning the original back from Little Planet at the midst of the Death Egg mk.II incident. This is due to Metal's sophisticated and wasteful design, which Eggman is very proud of.[84]

In most of the incidents Metal Sonic was involved, he was just another one of Eggman's pawns and henchmen who obeyed his orders without question.[89][90] In time, however, Eggman got betrayed by Metal Sonic during the Neo Metal Sonic incident, where the robot seized the Eggman Empire for himself to rule the world and destroy Sonic himself. It was heavily implied that Eggman regretted this outcome, as he proceeded to answer Team Chaotix's interrogation of who locked him up with a saddened tone. However, Eggman did not give up on Metal Sonic even after that, and so reprogrammed him into his obedient servant again when regaining possession of him. Although Metal Sonic still displays rebellious tendencies, it has not stopped Eggman from using him for different missions.

E-102 Gamma

I'm proud of you, Gamma! I knew you'd be of use to me!


— Dr. Eggman, Sonic Adventure

E-102 Gamma was the second model of the E-100 Series robots built by Dr. Eggman during the Chaos incident in order to aid him in the destruction of Station Square.[91] From the start, it was obvious that the doctor held a lot of respect towards Gamma, and always praised him and treated him very well, specially when compared to his insults and abuse directed towards his enemies and the other E-100 Series robots.[92][46] Nevertheless, it was implied that Gamma was being used by Eggman as just another robot to serve his evil plans.[93][94] Also, Eggman did not know that Gamma betrayed him after the Egg Carrier fell into the ocean, and it was implied that he was not aware of the fact that the robot was responsible for the destruction of the other E-100 Series robots either.[47] Due to this, Eggman appeared to mantain his respect for Gamma following the Chaos incident, and has even built other robots in his image.

Shadow the Hedgehog

Eggman discovering that Shadow is his grandfather's creation, from Sonic Adventure 2.

Shadow... can you hear me...? This might be the last chance I have to speak to you, so... What I said, about having created you... It was all a lie. Everyone thought you'd died during that horrible incident... but I rescued you with one of my robots... You lost your memories, that's all. You really ARE the Ultimate Life Form my grandfather created!


— Dr. Eggman, Shadow the Hedgehog

Since Shadow the Hedgehog was created by Eggman's grandfather, Eggman was after Shadow because he was stated as the "Ultimate Lifeform" which could help him conquer the world. When he released Shadow from his capsule, he thought that Shadow was Sonic, but then he realized that the hedgehog merely looked like his rival. He also ordered Shadow to work for him, steal all seven Chaos Emeralds, and to keep Sonic out of the way so that he would not foil his plans. Everyone was shocked when they realized that Shadow was created to kill everyone on earth, even Eggman himself.

After the Space Colony ARK incident, after Shadow was thought to have died, Eggman sent one of his robots to rescue him. However, he has seemed to have a dislike for Shadow and told him not to disturb him during the now-aborted Solaris incident. Regardless, he depended on Shadow to eliminate the Black Arms during the Black Arms incident. During both the camera incident and the Ifrit incident, Eggman turned to Shadow for help in defeating Eggman Nega. Though they still appear to be enemies whenever Eggman is the villain, Eggman does have great faith on Shadow's capabilities whenever they encounter a greater threat.[95]

During the War to Take Back the Planet, Shadow and Eggman were portrayed as completely enemies. Eggman in particular seemed scorned by Shadow, just like he would be with Sonic, and called him a "blasted hedgehog". Despite this, however, he had no qualms with creating Phantom Copies of Shadow for his Eggman Empire.

Gerald Robotnik

As a child, I looked up to my grandfather because of all the great things he accomplished in his life. He was my hero, and I wanted to be a great scientist like him.


— Dr. Eggman, Sonic Adventure 2

Eggman and Gerald Robotnik had not been known to interact with each other, although Eggman had immensely respected his grandfather, who likewise acted as the reason why he desired to become a scientist. However, his respect for his grandfather was shaken somewhat after learning of Gerald Robotnik's irrational desire of destroying all life on the planet via a collision course from the Space Colony ARK due to insanity caused by grief from Maria's death. His admiration was even further decreased when he learned from Black Doom that his grandfather had sold out the earth to the Black Arms in exchange for completing Project Shadow. However, much of his respect for his grandfather was regained when he learned about Gerald's intention of wiping out the Black Arms with the Eclipse Cannon as atonement for collaborating with them.

Blaze the Cat

Hmm... I never thought a girl could be so tough!


— Dr. Eggman, Sonic Rush

Blaze the Cat has been another one of Eggman's enemies. The two first met right before the Sol Emerald incident, where the doctor went to Blaze's world to steal the Sol Emeralds from her.[96][97] For the rest of that incident, Eggman would occasionally encounter Blaze on Sonic's world and battle her, only to lose in all of their fights and be forced to give up a Sol Emerald. They later interacted during the Jeweled Scepter incident, where they displayed a similar rivalry.

Like Eggman Nega, Eggman does not seem to take Blaze very seriously, and would mock her during the Sol Emerald incident.[97] He also showed an evident lack of fear towards her, stating that her fire powers "did not scare him"[98] and calling her a "cat girl" during their first encounter on Sonic's world.[97] However, the doctor eventually awknowledged the cat's powers and boldness, mainly because they refuted his idea that girls could not be as strong as boys.[99]

Eggman Nega

Eggman has a rather cold and tense relationship with his distant descendant from the future,[100][101][102] Eggman Nega, though this has varied over time. It can be assumed that this turbulent relation comes from Eggman Nega's conviction that Eggman's failures in the hands of Sonic and his friends have disrupted his family's legacy,[103][100][101] which is the main reason why Nega has come to Sonic's world many times.[100][101] Despite this, however, Nega's dryness allows him to easily team up with Eggman when the two have a common goal in mind,[101] though it has been implied that Eggman Nega is the one who seeks Eggman out in the first place when they begin a collaboration.[104][105] Also, the two are always in nearly perfect synch when they work together and hardly ever argue over what they should do during their schemes, showing that they share a similar mindset. Nevertheless, because of Nega's total refusal to retreat and willingness to make deadly attacks to deny his enemies' victory,[102] he has more homicidal tendencies than Eggman, which tend to freak his ancestor out.[106] Additionally, Eggman Nega's babbling on battle has frustrated Eggman on a few occasions.[107]

When they are not collaborating, Eggman Nega is usually Eggman's enemy. Noticeably, during the Onyx Island incident, Nega turned his ancestor into a card and took over the Eggman Empire to avenge his constant defeats and restore his family's reputation in the future.[103] Similarly, during the Ifrit incident, Eggman was very panicked when he found out that Eggman Nega took over his Badniks to destroy his base. In both of these incidents, the doctor has not hesitated in cooperating with those who also opposed Nega, even if those were his enemies beforehand.[108]

Orbot and Cubot

Eggman with Orbot and Cubot, from Sonic Channel.

Orbot and Cubot have been Eggman's minions for some time before the Wisp incident.[33] However, out of all of the robots the doctor has made, Orbot and Cubot are the ones he shows the least respect for, having even expressed his wish to conquer the world so he could dispose of them during the Wisp incident.[109] Ultimately, he did end up abandoning them after discovering the Time Eater during its incident, but the two have returned to his services at he time of the Lost Hex incident.

Due to Eggman's intolerance on incompetence and failure, Orbot and Cubot have been commonly subjected to both verbal and physical abuse from the doctor, with Eggman having called them "a waste of time" and "useless".[53][110] Because of this, he has reacted with surprise and confusion when he sees the two working hard to make him feel better.[47] However, in some sense, this can be owed to the fact that Eggman did not create them with a firm purpose, which is what makes them "unique" compared to the doctor's past minions.[53]

Classic Eggman

Eggman discussing with Classic Eggman, from the console/PC version of Sonic Generations.

Let me just say that this was a brilliant plan that you came up with.
Don't get too self-righteous. It'll be your plan pretty soon.


Classic Eggman and Modern Eggman, Sonic Generations (console/PC)

Classic Eggman is Dr. Eggman's past counterpart from another dimension. When they first met each other during the Time Eater incident, they worked together as partners to dispose of their respective Sonics. The two had a great deal of mutual respect for each other, and they both referred to each other as "gentleman geniuses". Due to their shared defeat at the hands of Sonic at the end of the Time Eater incident however, their relationship started to deteriorate, prompting them to argue quite frequently. Classic Eggman soon lost all respect for his Modern counterpart upon learning that the latter has never defeated Sonic once.

Classic Sonic

You've got a lot of nerve for a pint-sized Sonic from another dimension!


— Dr. Eggman, Sonic Forces

Dr. Eggman first fought against Classic Sonic during the Time Eater incident in an effort to erase him. He later re-encountered him during the War to Take Back the Planet. However, during that time, it was heavily implied that he considered Classic Sonic to be more of a nuisance than a true threat to him, especially compared to his Modern counterpart; when encountering him, he dismissed him as not being worth his time and tried to disengage him before ultimately fighting him, while by contrast he scolded Infinite for letting Modern Sonic live during their encounter at Mystic Jungle. He does, however, acknowledge that Classic Sonic has "a lot of nerve."

The Deadly Six

Eggman being threatened by the Deadly Six's leader, Zavok, from the Wii U version of Sonic Lost World.

I will burn your worlds, you rebellious scum! I will destroy everything you love and make you watch!


— Dr. Eggman, Sonic Lost World

The Deadly Six are some of Eggman's worst enemies. The doctor first interacted with them during the Lost Hex incident, where he invaded the Zeti's home and enslaved them with the Cacophonic Conch in an attempt to conquer Sonic's world. During this time, Eggman appeared to show very little remorse and respect for them, usually sending them to do tasks almost constantly and punishing them with the Cacophonic Conch whenever they failed to satisfy him. After the Deadly Six rebelled against Eggman, the doctor showed a great resentment towards them, as they had decided to use the Extractor, which Eggman wanted to use for his own purposes, to avenge the doctor for having abused them. In fact, at the Frozen Factory, when Zavok and Zazz mocked Eggman, Sonic and Tails on a hologram, the doctor called them "Eggman wannabes" and threatened to destroy them while speaking in a serious tone.[51]

Despite his hatred for the Deadly Six, Eggman did form an alliance with Zavok during Dodon Pa's Grand Prix. Like during the Lost Hex incident though, the doctor showed very little respect for Zavok, calling him "pathetic" and "weak" when he disappointed him.[111] He similarly refused to listen to him whenever the Zeti tried to say something, specially when he pointed out the doctor's poor execution of his plans.[61]

Infinite

Infinite was one of Eggman's minions. The two first met months before the War to Take Back the Planet, when Infinite and his squad raided the doctor's base. During this, the Phantom Ruby let Eggman see Infinite's ideal vision of the world. Impressed, Eggman offered Infinite a place in the Eggman Empire, which the latter agreed to.[40]

Eggman seemed to respect Infinite's power and trusted him with taking care of Sonic's friends, although he did not agree with most of his actions, such as when he showed concern when Infinite let Sonic live.

Friends/allies

Neutral

Enemies

References

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    However, Dr. Eggman's schemes are foiled at every turn by Sonic and his friends."
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  61. 61.0 61.1 Sumo Digital (21 May 2019). Team Sonic Racing. PlayStation 4. Sega. Cutscene: 058. "Eggman: Give me the engine, you doddering Tanuki! / Dodon Pa: The engine is worthless now. It is incomplete. / Eggman: Worthless? Incomplete? What are you rambling about? / Dodon Pa: The racers are no longer racing. Without racing we cannot get enough Ultimate Team Energy. Without that teamwork energy, the engine will never be. / Zavok: By kidnapping Dodon Pa, you stopped the races. You stopped the engine from being completed. / Eggman: Oh, quit pointing fingers! Who can really say who's at fault? / Cubot: I can! I can! It's your fault, boss! / Eggman: Shut up, Cubot! The important question is: how do we fix the problem?"
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  64. 64.0 64.1 Sega of America. Dr. Robotnik aka Eggman. Sonic Characters. Sega. Archived from the original on 5 March 2005. Retrieved on 26 October 2017. "His name says it all: He's a scientist with a body shaped like an egg. With an IQ of 300, he's a certifiable genius, and his evil demeanor makes him makes him think that taking over the world should be easy. Although he always has a master plan for doing this, Sonic always provides the wrinkle that makes his plans collapse around him. Eggman views Sonic as his archenemy, who always seems to spoil the doctor's plans of world conquest. Somehow, deep in his heart, though, he may have a certain fondness for Sonic and his determination."
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  68. Dimps, Sonic Team (7 June 2004). Sonic Advance 3. Game Boy Advance. THQ. Area/Level: Opening sequence.
  69. Sonic Team (9 December 2008). Sonic Unleashed. PlayStation 3. Sega. Cutscene: Opening.
  70. Sonic Team (3 May 2002). Sonic Adventure 2: Battle. Nintendo GameCube. Sega. "Eggman: This is strange... it's showing energy readings from two separate Chaos Emeralds. Did they really think they could trick me with that fake Emerald?"
  71. Sonic Team (3 May 2002). Sonic Adventure 2: Battle. Nintendo GameCube. Sega. "Eggman: You thought you could trick me with that Fake Emerald, didn't you? / Tails: So... how did you know it wasn't the real one? / Sonic: Tails! / Eggman: Because you just told me, fox boy!"
  72. Sonic Team (7 November 2017). Sonic Forces. Nintendo Switch. Sega. Area/Level: Null Space. "Tails: But we destroyed the Phantom Ruby's power source. / Eggman: Tsk, tsk. Since you ALWAYS destroy the power source of my weapons, I decided to learn from my mistakes. I had a back-up power source created under Metropolis."
  73. Sonic Team (7 November 2017). Sonic Forces. Nintendo Switch. Sega. Area/Level: Death Egg Robot. "Sonic: We did it! Eggman's army's is officially butt-kicked! We won! Oh, come on! Now what? Can't we ever just win and have that be the end of it? / Tails: Look! / Eggman: Gotcha! The fortress reactor was just a decoy. A true winner always keeps his trump card hidden until the end."
  74. Sega of Japan, Sega Sports (6 November 2007). Mario & Sonic at the Olympic Games. Wii. Sega. Character description: "Although the devious Dr. Eggman has great Skill-based abilities, he also is quite powerful. His huge, lumbering frame doesn't give the impression that he would be good at gymnastics, but believe it or not, he can handle the trampoline and vault quite well."
  75. Sonic Team (21 February 2006). Sonic Riders. Nintendo GameCube. Sega.
  76. Sonic Team (29 October 2013). Sonic Lost World. Wii U. Sega. Area/level: Lava Mountain Zone 4. Cutscene: Epilogue.
  77. Sonic Team (29 October 2013). Sonic Lost World. Wii U. Sega. Area/Level: Desert Ruins Zone 4. Cutscene: Rise of the Six.
  78. Sonic Team, Blindlight (24 November 2006). Sonic the Hedgehog. Xbox 360. Sega. Cutscene: The time-space rift.
  79. Sonic Team (29 October 2013). Sonic Lost World. Wii U. Sega. Area: Lava Mountain Zone 4. Cutscene: Eggman Returns.
  80. Sonic Advance (Game Boy Advance) United States instruction booklet, pg. 5.
  81. Sonic Labyrinth (Sega Game Gear) Japanese instruction booklet, pg. 9.
  82. 82.0 82.1 Sonic the Hedgehog (Sega Mega Drive) Japanese instruction booklet, pgs. 8-11.
  83. Sonic Team (7 November 2017). Sonic Forces. Nintendo Switch. Sega. Area/Level: VS. Infinite. "Eggman: You never fail to surprise me, Sonic. I didn't believe Infinite could lose. Victory will be so much sweeter when I defeat you. Don't think this is over yet, you blue nuisance. My plan just went into overtime!"
  84. 84.0 84.1 Sega (16 December 2016). Act:025 バッドコミュニケーション. Sonic Channel. Archived from the original on 11 May 2021. Retrieved on 21 May 2022.
  85. Sega (23 June 2016). Mario & Sonic at the London 2012 Olympic Games. Wii. Sega. Area/level: Collectibles (Flags). "Metal Sonic's profile: Modelled with extreme accuracy to Sonic by Dr. Eggman, Metal Sonic is one of our blue hero's earliest foes. He's out to get the better of Sonic and make sure all of the gold medals are his."
  86. Sonic the Hedgehog CD (Sega CD) Japanese instruction booklet, pg. 6.
  87. Sega (23 June 2016). Mario & Sonic at the Rio 2016 Olympic Games. Wii U. Sega. Area/level: Collectibles (Flags). "Metal Sonic's profile: This high-performance combat robot was built by Dr. Eggman for the sole purpose of defeating Sonic the Hedgehog. Metal Sonic's metallic frame resembles Sonic, as does his speed, power, and endurance. Like Sonic, Metal Sonic plans to put his exceptional speed to the test at the Olympic Games."
  88. ソニック & メタルソニック (Japanese). Sega. Archived from the original on 21 May 2021. Retrieved on 23 May 2021.
  89. Sonic Rivals 2 (PlayStation Portable) United States instruction booklet, pg. 8.
  90. Mario and Sonic Tokyo. Main page. Sega. Retrieved on 21 August 2019.
  91. "All Star Cast". Sonic Adventure Tokyo International Forum Unveiling Booklet. 22 August 1998. p. 9.
  92. Sonic Team (23 December 1998). Sonic Adventure. Dreamcast. Sega. Area/level: Instructions (Gamma). "Eggman: How to play as my creation, E-102 Gamma!"
  93. Sonic Team (23 December 1998). Sonic Adventure. Dreamcast. Sega. Cutscene: Cutscene 7 (Gamma). "Amy: Go away! / Gamma: Give me the bird. / Amy: No way! / Gamma: Resistance is futile: give me the bird! / Amy: I said NO! / Gamma: Why not? / Amy: None of your business why not. I want to know why you want it. / Gamma: Data unavailable. / Amy: You don't even know? I'd bet you be mean to him, you bully! Why not help us out instead? Don't you know how bad I feel? / Gamma: Does not compute. Why try to save what is useless to you? Does not compute. / Amy: I feel sorry for you! Eggman failed to give you feelings."
  94. Sonic Team (23 December 1998). Sonic Adventure. Dreamcast. Sega. Cutscene: Cutscene 10 (Gamma). ": Amy: Thanks again for saving me as usual, Sonic. And how are you, my metal friend? It's dangerous here. Why not leave Eggman and come with us? / Gamma: Why do you help me? / Amy: I told you we'd be friends the next time we met. Even birdie wants the best for you. You must ditch that awful Eggman!"
  95. Sonic Team, Blindlight (24 November 2006). Sonic the Hedgehog. PlayStation 3. Sega. Area/Level: Solaris. "Eggman: Shadow, I'm trusting you to do this."
  96. Sonic Rush (Nintendo DS) United States instruction booklet, pg. 5.
  97. 97.0 97.1 97.2 Sonic Team, Dimps (15 November 2005). Sonic Rush. Nintendo DS. Sega. Area/level: Egg Libra (Blaze). "Blaze: Hey you! You mustached old man. I've finally found you. / Eggman: Ah, the cat girl I saw when I made that small visit. Ha ha ha. I'm surprised that you came to this world to find me. / Blaze: (He said "this world"... As I suspected, this is another world!) Return the Sol Emeralds! They must return to my world, otherwise... / Eggman: Mwa ha ha ha. You mean these pretty little things? / Blaze: ! / Eggman: They are my means to ultimate power! Now scat, cat! / Blaze: Hmm, it seems you like to play with fire. Let me light up your fingers then!"
  98. Sonic Team, Dimps (15 November 2005). Sonic Rush. Nintendo DS. Sega. Area/level: Egg Libra (Blaze). "Blaze: Now, if you return them quietly, I won't need to raise any more flames! / Eggman: Hmph, your little parlor tricks don't impress me! The emeralds are mine! / Blaze: Don't be such a poor loser..."
  99. Sonic Team, Dimps (15 November 2005). Sonic Rush. Nintendo DS. Sega. Area/level: Sonic (Blaze). "Blaze: The last Sol Emerald... Return it to me! / Eggman: Hmm... I never thought a girl could be so tough! But I'll never give up this last Sol Emerald!"
  100. 100.0 100.1 100.2 Sonic Channel (Japanese). Characters: Eggman Nega. Sega. Archived from the original on 26 May 2019. Retrieved on 14 October 2016.
  101. 101.0 101.1 101.2 101.3 Sega (14 October 2016). Act:016 邪悪な日課. Sonic Channel. Retrieved on 21 May 2022.
  102. 102.0 102.1 Flynn, Ian; Sega (8 December 2021). "Sonic Rush". Sonic the Hedgehog Encyclo-speed-ia. Dark Horse Books. p. 161. ISBN 978-1506719276. "Eggman Nega - A fair bit of mystery and confusion lingers around him. He's the descendant of Dr. Eggman from some point in the future. He's able to freely travel across time and dimensions in his bid to enshrine the Eggman name in glory. Unlike his forebear, he's more refined in his demeanor but also more ruthless. Where Dr. Eggman will retreat to fight another day, Nega will take himself and everyone with him into oblivion if it means denying his enemy victory."
  103. 103.0 103.1 Backbone Entertainment, Sega Studio USA (24 November 2006). Sonic Rivals. Sega. Area/level: Meteor Base Zone (Shadow). "Eggman Nega: Heh heh heh... I'm here to change my destiny! I come from a long line of brilliant scientists, but that lineage was disrupted with Dr. Eggman's failures!"
  104. Sonic Team, Dimps (15 November 2005). Sonic Rush. Nintendo DS. Sega. Area/level: Dead Line (Blaze). "Eggman Nega: Oh Blaze, my dear. I didn't expect to see you in this world. It seems Eggman has made a mistake. / Blaze: ... So you guided Eggman to our world. / Eggman Nega: Ha ha ha. It's best to get someone else to do the dirty work. I've been waiting for him to return with the gems. I couldn't care less what happens to our world. / Blaze: ... I'll destroy you!"
  105. Sonic Team, Dimps (14 September 2007). Sonic Rush Adventure. Nintendo DS. Sega. Area/level: Southern Island. "Eggman Nega: Haa ha ha ha! Oh, you poor thing. Allow me to explain. This world and Dr. Eggman's world exist in separate dimensions. Each of us can think of the other as what is known as a "parallel universe." What makes this possible is this so-called "Power of the Stars." / Eggman: When Nega told me this, I practically jumped for joy! The only problem, though, was finding the key that would unlock this power. / Blaze: The Jeweled Scepter! / Eggman: Yes. And so we got a band of pirates together to go on a little search for it."
  106. Sonic Team, Dimps (14 September 2007). Sonic Rush Adventure. Nintendo DS. Sega. Area/Level: Deep Core. "Eggman: Nooo! Curse you, Sonic! / Eggman Nega: Haa ha ha ha ha! It's time to die, fools! / Eggman: Nega?! Wait... what are you doing...?! / Eggman Nega: HAAA ha ha ha! / Eggman: What? No! You're mad! Don't push that button...! / Eggman Nega: Planet-Buster Laser, FIRE!"
  107. Sonic Team, Dimps (15 November 2005). Sonic Rush. Nintendo DS. Sega. Area/level: Egg Salamander. "Eggman Nega: My incredibly profound plans... It was such a small miscalculation that I made. It shouldn't matter. And it's not over yet. Just give me some time, and I'll... / Eggman: Enough of your babbling! See, they're here!"
  108. Backbone Entertainment, Sega Studio USA (24 November 2006). Sonic Rivals. Sega. Area/level: Meteor Base Zone (Shadow). "Eggman: Ho ho ho ho! It looks like you have a problem! / Shadow: Wha-!? Doctor! / Eggman: That's right! I'm the real Dr. Eggman! Back in the flesh, thanks to you, Shadow! So it looks like we have a common enemy. Want to come along? / Shadow: Hmph! Is that a question?! / Silver: Very well! / Eggman: Then off we go, out into space! Hang on!"
  109. Sonic Team (16 November 2010). Sonic Colors. Wii. Sega. Cutscene: Movie No. 14. "Cubot: Yar! Feelin' ship-shape with me new voice chip, I am. Ah-beggin' yer pardon, Squire, but me and my matey are going to sail off an' search fer that lubber Sonic! Arr! / Orbot: I think that's the wrong chip. / Eggman: Really? Are you sure he doesn't normally speak in pirate? / Orbot: On the bright side, he's much more exotic now. / Eggman: Just go find him and fix that chip!!! Shortly, I will have no need for those idiots. In just a few hours, Sonic's world will be under MY control. When it is, it will be the crown jewel of my amusement park; the GREATEST amusement park in the universe. Hooo Ho Ho!"
  110. Sonic Team, Dimps (12 November 2010). Sonic Colors. Nintendo DS. Sega. Cutscene: The Nega-Wisp Armor. "Cubot: Try to stay calm, boss. Fretting won't get you anything now. / Eggman: Rrgh, I'll show you fretting if you don't think of a plan! / Orbot: I have been thinking! I just haven't come up with anything... / Eggman: Bah! Silence! You two are useless!"
  111. Sumo Digital (21 May 2019). Team Sonic Racing. PlayStation 4. Sega. Cutscene: 055. "Eggman: Zavok, you're pathetic. The only thing you're the master of is bad driving. / Zavok: Our opponents are strong. I respect that. / Eggman: Maybe it's not that they're strong. Maybe it's that you're weak. / Zavok: Watch your tongue, Eggman, or you'll lose it. Zavok is mighty!"
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