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For other uses of the term, see Doctor Eggman (disambiguation).

Hahaha! Citizens of earth, lend me your ears and listen to me very carefully! My name is Dr. 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

Dr. Ivo Robotnik[5] (ドクター・ロボトニック[citation needed] Dokutā Robotonikku?, lit. "Dr. Robotnik"), better known by the alias Dr. Eggman[6] (ドクター・エッグマン[7] 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 dreams of dominating the world, but his constant plots to establish his Eggman Empire are always thwarted by Sonic and his friends.

While the doctor's plans initially consisted of building incredible armies by turning Animals into robots and using them to dominate the land, Dr. Eggman's schemes have since evolved into much more global threats; examples include building war machines, using nuclear devices to threaten entire nations, and even relying on mythological and ancient deities bent on destruction to achieve his goals. Eventually, the mad scientist has gone as far as to target the entire universe and hatched schemes to control time and space itself.

While all 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.

Concept and creation

Dr. Eggman's original design in 1991.

In April 1990, Sega petitioned its research and development department, AM8, to create a character who would replace Alex Kidd as the company's mascot, as well as compete against Nintendo's flagship character, Mario. A mustached man in pajamas was among the proposed designs. Combined with the idea of an egg-shaped character, it eventually became the basis of the visual design for Dr. Eggman. In creating the "bad guy" for the Sonic series, the development team wanted a 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. The character was also designed to be easy for children to draw.

One of the concepts for the hero of what eventually would be known as Sonic the Hedgehog.

Although Eggman was always depicted as having pince-nez glasses in Japanese media, initial American localized material, including the covers for Sonic the Hedgehog 2 and Sonic the Hedgehog 3, frequently depicted Robotnik as having no eyes in his eye sockets (or, in the case of various cartoon adaptations, having black sclera and red pupils), and was not depicted with eyewear in localized materials until Sonic Adventure.

Naming

The original English instruction manual for his 1991 debut game Sonic the Hedgehog described the character's full name as "Dr. Ivo Robotnik" while the Japanese version's instruction manual for the same game called him "Doctor Eggman"; "Robotnik" was initially conceived as the western name for the character. In 1998's Sonic Adventure, he was referred to with both names, the doctor calling himself "Robotnik" and the rest of the characters naming him "Eggman", with all following English releases to date referring to him as the latter.

Yuji Naka has explained that Robotnik is the character's true last name while Eggman is a "common name taken after his shape."[8]

While "Robotnik" is still occasionally recognized in more recent titles (such as in Sonic Generations), Eggman's profiles such as the ones on the Japanese Sonic Channel and Sonic the Hedgehog 4: Episode II list his full birth name as unknown.

Appearance

Eggman is rotund in figure, with a bald, dome-shaped head and no visible neck, and with a bright red nose and bushy mahogany moustache.

During his early years, 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.

In the present day, Eggman remains obese, but has become somewhat taller and burlier, with long, almost disproportionately thin arms and legs. He now wears both his tinted glasses and green-lensed goggles as headwear, though his mustache retains its length, density, and mass. Gone are the cape and his suit-like clothes, in their place 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 also 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.

In Sonic the Hedgehog (2006), he was given a radically different appearance owing to the more realistic designs of the game. In particular, he has yellow bolt-like buttons on his red coat where the buckles originally were, as well as a slightly raised collar obscuring his chin. His moustache, while still bushy, also looks more groomed, and he also, while still overweight, looks very lean by comparison to his usual designs. His nose is also colored the same as the rest of his skin.

Personality

Dr. Robotnik's profile, from Sonic Jam.

Eggman is a short-tempered, raucous, pompous, and cruel evil genius who is constantly trying to take over the world. His primary motivation throughout most games is his psychotic belief of self-entitlement. Arrogant and narcissistic, he constructs his countless technological wonders in his own image to fuel his massive ego, usually reinforced by his goal of building the Eggman Empire, and doesn't care where he starts it. His narcissism is such that when he first discovered the Phantom Ruby, what it showed as his deepest desire was Eggmanland complete with various labels of his names and statues to himself, and was saddened when the illusion ended.

Although Eggman is a villain, he helps Sonic when the world is at stake; though the reason is always because he knows if the planet was destroyed, there would be nothing left to rule over. In some of his incarnations, he actually displays a begrudging respect of his arch-enemy, Sonic.

Despite his intelligence, Eggman can be very immature, throwing temper tantrums when Sonic manages to wreck into his plans. An example of his immaturity is in the ending of Sonic Unleashed, when his robot begins to insult him over his constant failures and calls him a loser; Eggman screams "Oh, shut up!!", attempts to kick him only to comically fail, and then chases him through the desert while making agitated noises and violently flailing his arms in an attempt to grab him.

Although Eggman is known for childish outbursts when angry, there are a few rare instances where he comes across as stoic and even-toned when extremely aggravated or during very serious situations. Notable instances of this include the Station Square incident, after Tails not only beat him to his crashed missile but also disarmed it, leaving any chance at him destroying Station Square to be impossible, he proceeded to threaten the young fox while barely even raising his voice; and the Deadly Six incident, where he, after being taunted by the then-renegade Zeti about their impending destruction of the world via their stolen Extractor, 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 are okay from smashing the ice blocks so long as he can strangle a Zeti with his bare hands.

Eggman seems to overlook crucial details in his plans, such when he orders his robots to fire at Sonic while he is escaping with Princess Elise, failing to realize that they could possibly injure or kill Elise if they land a direct hit on Sonic and overlooking Dark Gaia's immature release. He also was shown in Sonic Colors to be somewhat sarcastic, as evidenced when questioned by Orbot and Cubot as to whether he wanted the remaining aliens, to which he told them in a flippant manner that he actually wanted a cheeseburger and a shake. Similarly, he has occasionally utilized a rather bleak and cruel sense of humor, such as in Sonic Colors with his PA announcements at Starlight Carnival, where he says in one of them "We seem to be losing pressure on level seventeen. Please hold your breath against the harsh vacuum of space until you pass out from oxygen starvation. After that, you won't care. Enjoy the ride!", as well as in his propaganda video "Come Join the Eggman Empire", where he jovially narrates that being in an area filled with pollution is a lot better than with clean air especially after a robotomy treatment that saps its citizens of their ability to eat, sleep, and think ever again that he claimed was the "good life."

While Eggman's motives for conquering the planet and attempting to wipe out entire populaces are never made clear, what is clear that Eggman is primarily concerned about obtaining power and dominance for himself, with his violent tendencies and insanity mounting as the series continues.

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

To this end, Eggman has never shown a willingness to do good or help others without it serving his own ends in some way. While displaying a comical disposition later on in the series, he is quite clearly 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. From abducting and transforming animals into robot power sources, to leading large scale attacks on a terrorist level, Eggman's numerous crimes and exploits continuously transition into more destructive ramifications. He never acknowledges the results of his actions such as the pollution from his factories and strongholds that poison the surrounding environments or the ruins left from his own attacks on various cities and lands. His exploits have led to numerous tragic events, such as Chaos flooding and utterly destroying all of Station Square and Dark Gaia nearly consuming the whole planet, as well as threatening the welfare of time, space, and the universe itself. Throughout the series, Eggman has been shown to celebrate too early, or shown to be blindingly cocky.

However, despite his desire for world domination, Eggman does have a human side, and does not appreciate senseless destruction, tormenting and killing from other individuals and forces who are beyond his control. In Shadow the Hedgehog, he is 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. This demonstrates that even if Eggman does not mind causing chaos and destruction, he ultimately knows that there is a line that others should not cross and was afraid his grandfather did so through betraying humanity and aiding a species that wanted to eliminate the human race. This shows that the doctor has some form of loyalty to the human race and could not fathom the idea of betraying his own species to that of a vicious and demonic alien empire, despite some of their actions mirroring his own in terms of the scope of their plans and the destructive ramifications of their actions.

While this seems contradictory towards Eggman's previous exploits of joining forces with other creatures bent on destruction, it seems that he still wishes to paint his grandfather in a positive light as he was his hero in his childhood. This more humane side to the doctor is shown in full force at the end of Sonic Adventure 2, where he has 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, in Sonic Lost World, he unhesitatingly jumped in to save Tails from being attacked by a Crabmeat-controlled Cubot, and when questioned by Sonic over having rescued one of his worst enemies, Eggman admits that he's "a complicated guy."

Despite this, 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 is shown when Chaos betrays Eggman and floods 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. Additionally, in Sonic Adventure, he launched a missile deep into the heart of a heavily populated Station Square to utterly destroy it, even if that meant killing himself (even going as far as to state 'I'll take the whole city with me'), as a twisted form of revenge and victory over Sonic after his plans to use Chaos to dominate the planet failed. In Sonic Adventure 2, his desire for destruction appears at its height as he laughs insanely at the Eclipse Cannon's impending firing at the planet, which would have had devastating effects to billions of lives, until his grandfather's true intentions were revealed. He also admits that had he had the chance to use the space colony ARK to collide with earth, he would've done so a long time ago, showing admiration towards his grandfather's mad projects, and only decides to prevent them from coming to fruition in order to save his own life as escape was impossible with the colony on its collision course. Likewise, he also is not tolerant in senseless destruction if it is done by a third party, especially if it interferes with his own goals of building his Eggman Empire. This is especially evident in the beginning of Shadow the Hedgehog, where Eggman was shown to be frustrated from watching footage of the Black Arms' attacks on Westopolis, exclaiming that it would be impossible to conquer the city for his Eggman Empire if it ended up destroyed by the Black Arms beforehand.

In Sonic Unleashed, there is a possibility, realistically speaking, that he murdered millions when reawakening Dark Gaia by splitting the planet itself apart, though the effects of the quake in relation to the earth's populace is never touched upon. In Sonic Lost World, Eggman contemplates destroying one of his own doomsday machines to ultimately destroy the Deadly Six, even if it means taking many innocent lives with them, much to Sonic's disgust. According to his PA announcement in Sonic Colors, his park can be considered a lethal weapon in itself as most of the rides lead to horrifying and agonizing deaths and circumstances should anyone ride them. Lastly, in the beginning of Sonic the Hedgehog (2006), he orders his robots to launch numerous missiles at Sonic with no regard for any that may be caught in the crossfire.

Regardless of how many lives may or may not have been lost to Eggman's various schemes, the evil scientist clearly demonstrates a complete disregard for all life, even his own on occasions, as well his own creations, and will go to any means necessary as long as his goals of destroying Sonic and his friends, conquering the planet, and establishing his empire are met with full success. With the means for Eggman's plans to succeed often resulting in massive amounts of chaos and destruction, the success of his schemes would also result in a world slowly dying away from Eggman's ruthless and tyrannical rule.

Sonic Forces showcases a world nearly conquered by Eggman and his forces, with the villain going as far as to attack and utterly destroy entire cities in order to drive out and eliminate the last pockets of resistance against his rule, and has even gone as far as to plan to conjure a second sun to crash down on the earth to wipe out any remaining pockets of resistance, making clear that he intends to recreate the earth to be his Empire from its ashes as a result. While urban areas are utterly devastated, the areas previously overflowing with nature are now slowly dying, as Eggman's forces begin constructing fortresses and factories throughout, depleting the area's resources and causing massive amounts of pollution, which eat away at the surrounding environments. In addition, in his capitulation message requesting for the resistance to surrender and trying to negotiate the terms of surrender, he lets slip that he intends to lock them away in an underground prison before stopping himself. On a similar note, it was also implied that part of the reason he recruited the Ultimate Mercenary and his Jackal Squad into his plans of creating his new empire via the Phantom Ruby was due to 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.

The various, dark futures within Sonic CD also provide a glimpse of the horror that would be a world under Eggman's control; twisted steel, pollution, and ruin, to the point that even Eggman's own creations are in pitiable states, illustrating that once Eggman has seized control of the world, he will become a ruthless tyrant who will exploit all of the planet's resources to the point that they are polluted or depleted as even his own creations suffer. This could imply that once Eggman has conquered the world, there will be little need of his robotic army as he primarily uses them to conquer territory and will be seen as expendable to him and left to rot. This would further be indicative towards how Eggman has previously treated his robots if they failed him, ordering torturous redesigns on his various E-Series robots if they did not complete their missions and even abandoned Orbot and Cubot in the vastness of space without a second's hesitation, though they would later rejoin the doctor sometime later despite this. Also, in Sonic Lost World, Eggman is content with conquering what is left of the world after the Deadly Six's actions, supporting that Eggman does not care what condition the world is in as long as he is the one ruling it.

Perhaps the most frustrating and deadly aspect about Eggman is his tendency to always escape at the last minute, even as all his creations and machines crumble and blow up around him, ensuring that he will always be back again with another scheme to endanger the planet and beyond. No matter how close Sonic appears to be finally catching the villain and putting him out of commission, the doctor always has an escape plan, which ironically enough, are the only plans he can formulate that Sonic has been known to fail in foiling, making it nearly impossible for both individuals to defeat the other for good, making their battle a never ending one.

One of Eggman's more admirable, if not dangerous, traits is his courage throughout life threatening situations. Despite Eggman's continuous use of machinery to both protect himself and fight his opponents, Eggman shows considerable bravery and very rarely shows fear, regardless of who or what he is facing. Even in the wake of the Black Arms invasion, Eggman remains very composed and even enters their base of operations without showing any fear. His persistence to control other creatures bent on mass destruction and approach them to ultimately tame them, including Chaos and Dark Gaia, also illustrate his apparent lack of fear. However, if he's caught without any backup plan to fall on, he isn't above fleeing, such as when the Deadly Six took over his army after Sonic kicked away his Cacophonic Conch.

Eggman, while sending out his army to do most of his dirty work, has also been known to lead missions personally with himself in the field for both amoral and noble deeds, though with self serving interests always at the forefront of his mind. His apparent lack of fear during these missions can be owed partially to the fact that Eggman has previously shown a disregard for even his own life on several occasions (as in the case of his attempted suicide bombing of Station Square with a missile), as long as his plans come to full fruition. In Sonic Adventure 2, Eggman tells Shadow that he might not survive his battle with Sonic in the space colony ARK and instructs him to finish their plans to use the Eclipse Cannon to dominate the planet and possibly even use the weapon to destroy large portions of it. While the villain has been known to panic when his plans spiral out of control, especially when victory previously seemed assured, he is always able to compose himself long enough to either finish the mission at hand or escape at the last minute.

Ultimately, while not openly violent and ruthless, Eggman is still a highly brutal and amoral villain with an insatiable lust for power, dominance, and, since meeting Sonic, revenge. While still harboring a more humane side and displaying comical undertones, Eggman's ruthless and violent nature can still be seen throughout the series. His uncompromising persistence shared with his appetite for authority and control fuel the conflicts throughout the entire series and guarantee that Sonic will always be needed to stop him.

Powers and abilities

Eggman's most well-known ability is his genius-level intellect, possessing an IQ of 300.[2] A certified genius[9] and excellent scientist[2] with a renowned authority on robotics,[10] along with being a master and expert of robotic engineering[11][12] with unparalleled technological skills,[13] he is a remarkable inventor and engineer.

As a testament to his expertise in robotics, Eggman has designed and engineered numerous armies of battle mechs 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.[14] 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.[15] 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 succesfully turn the primordial form of the Time Eater into a cyborg-like creature and merge his finalized Phantom Ruby copy with Infinite.

Dr. Eggman piloting one of his battle mechas, 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 mechas 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 mechas.[16] 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 is rivaled only by Dr. Eggman Nega and Tails, the latter who was able to beat him during the Space Colony ARK incident in a mecha fight.

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, Eggman 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 co. 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).[17][18] 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.[19][20]

Intellect aside, Eggman is also quite physically powerful.[21] Classified as a Power Type,[22] he has considerable physical strength, enough to shatter a large and thick wall of ice with his bare hands.[23] 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.[24] Also, despite what his huge, lumbering frame may imply, Eggman is able to sprint at immense speeds, sometimes to the point that he is almost able to outrun Sonic for a few seconds to reach his next escape vehicle or weapon, although no faster than Sonic, but just as fast. Notably, he was once able to flee from the Deadly Six around the same pace as Sonic.[25]

Equipment

Dr. 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 it, he could track the Chaos Emeralds' locations in the corners of the distorted world after they were flung there by Solaris.[26] He also has a portable jetpack concealed within his jacket. With but a press of the lower-right gold button on his jacket, he can extend the jetpack's wings and initiate flight.[27]

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.[28] He also tends to let his guard down too easily.[3]

Relationships

Sonic the Hedgehog

Eggman and Sonic, from Sonic Adventure.

You keep getting in my way, you pesky little hedgehog!


— Dr. Eggman, Sonic the Hedgehog (2006)

Eggman has made many enemies throughout the series, but his arch-nemesis is none other than Sonic the Hedgehog. Sonic always thwarts the doctor's evil plans for world domination. Despite this, Dr. Eggman has teamed up with Sonic at times mostly whenever the planet is in danger by a greater force, showing that they can somehow go beyond their hatred and get along if the situation calls for it. Two examples being in Sonic Adventure 2 when he helps to stop the ARK from crashing into earth, and Sonic the Hedgehog (2006) where he aided the heroes in locating the Chaos Emeralds. In addition, in Last Story of Shadow the Hedgehog, shortly after Sonic tells Shadow to give him the Chaos Emeralds instead, Eggman says "Don't give them to Black Doom!", implying that he at that moment was even willing to let Shadow potentially supply the Emeralds to Sonic if it ensured that they didn't go to Black Doom instead. They also form temporary alliances in Sonic Chronicles: The Dark Brotherhood and Sonic Lost World. This could be because somehow, deep in his heart, he may have a certain fondness for the hedgehog's determination[9] that was as fierce as his own over the years, and gained a certain respect for his constant adversary. In Sonic Adventure 2, when he appeared to have killed Sonic, he refers to the latter as "[Eggman's] admirable adversary." In the Master System version of Sonic the Hedgehog 2, Eggman managed to save Sonic from a deep fall into a lava pit and pitted him against a (relatively) less lethal trap. It should be noted that this was mostly out of pragmatism since he needed Sonic alive so the latter could retrieve the Chaos Emeralds for him (as he had earlier abducted Tails in an attempt to force Sonic to locate them), something he could not accomplish if Sonic died either before he could find all of them or, worse, if he died while holding onto one of them.

Sonic seems to tease Eggman a lot. It is thought that Sonic might have given him the nickname "Eggman," due to his body shape being an obvious target for criticism. While Sonic usually treats Eggman with playful disregard, Eggman generally views his enemy as either an annoyance or a threat. It is rare that he will ever taunt Sonic back, unless he holds the proverbial cards. It is an obvious fact that Eggman holds a grudge on Sonic most of the time, but in the Sonic Simulator Missions of Sonic Riders: Zero Gravity, Eggman says, "Now that's the Sonic I know! They don't call you the fastest in the land for nothing." Akin to this, Sonic can, at times, show that while he does not like Eggman, He does not desire for him to be seriously hurt or killed. An example of this can be taken towards the end of Sonic Lost World, where, upon Eggman’s apparent sacrifice of his own life to save Sonic from a deadly fall into lava, Sonic seemed to be both shocked and even somewhat disheartened by Eggman’s apparent death. However, when the Doctor made his return and claimed he planned on conquering the world as he had always planned, Sonic immediately taunted him and attacked him.

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. As players approach the end of the games, Eggman refers to Sonic in increasingly threatening ways and places greater priority on stopping him. Eggman has made eliminating Sonic his second goal under world domination. 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, the Present Eggman proceeded to laugh maniacally and excessively, causing his past counterpart to become disturbed that he may eventually become as crazy as his present self. However, when trapped in the void after both Super Sonics defeated them and the Time Eater, they ultimately admitted they will never be able to defeat Sonic. By the time of Sonic Forces, however, 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's impressed solely in the sense that it would make his defeating Sonic more satisfying.[29]

Classic Sonic

Dr. Eggman first fought against Classic Sonic during the Time Eater incident in an effort to erase him. He later re-encountered Classic Sonic 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".

Miles "Tails" Prower

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

Miles "Tails" Prower is the only person to have ever been able to match Eggman in wits because they are both mechanical geniuses, which was the source of their rivalry over the course of Sonic Adventure 2. After that it seemed as if their rivalry had watered down, possibly because they had to work together. Once again, in Sonic Chronicles: The Dark Brotherhood, they had to work as allies, but this time they shared a mutual respect for each other, because they were both respected geniuses. In Sonic Lost World, Tails is very bitter towards Eggman and often insults him and acts sarcastically, in one cutscene it looks like they almost come to blows, however Sonic steps in. In that same scene, Tails seems upset and even angry because he believes Sonic trusts Eggman to stop the Extractor more than him. Despite this, Eggman saves Tails from Cubot when he attacks Tails because Tails had attached Cubot onto a broken Crabmeat, making him "very mean", as Cubot put it. Later when Tails is captured, Eggman says that they need to make sure that "his sacrifice wasn't for nothing" in a low somber voice, meaning that even though Tails doesn't trust him, Eggman may at least have some kind of respect or even care for Tails.

In Sonic Forces, they also engaged in a rivalry regarding their fields in a similar manner to Sonic Adventure 2, which was best demonstrated during Eggman's boss fight, where Tails, in response to Eggman's 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 Eggman pointed out that the ultimate of genius required surpassing expectations before stating Tails wouldn't 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.

Metal Sonic

Metal Sonic is one of Eggman's greatest creations, and his only robot that has come the closest to defeating Sonic. Despite Metal Sonic's loss to Sonic in Sonic the Hedgehog CD, Eggman did not lose hope in Metal Sonic, and has since rebuilt him several times to accomplish his various agendas, even to the point of summoning the original back from Little Planet.[30][31][32]

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

In time, Eggman got betrayed by Metal Sonic in Sonic Heroes, where the robot seized the Eggman Empire for himself to rule the world and destroy Sonic himself. It is 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 Metal Sonic 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. In Mario & Sonic at the Rio 2016 Olympic Games, Eggman and Metal Sonic share a special victory animation, where Eggman expresses his pride in Metal Sonic by patting him on the back, annoying the robot.

Knuckles the Echidna

Eggman and Knuckles the Echidna were once partners, meeting each other for the first time in Sonic the Hedgehog 3 & Knuckles, where the doctor, having managed to land his Death Egg in Angel Island, would trick the echidna into believing Sonic and Tails were after the Chaos Emeralds for evil purposes, but later Eggman would reveal his true intentions to Knuckles by snatching the Master Emerald with his Eggmobile and electrocuting its guardian as he tried to protect 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 can't trust at all and one of his greatest enemies yet, but, due to Knuckles' guillible nature, he still seems to fall for his lies (especially in the earlier games). However, 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 titles.

Dr. Eggman Nega

In the Sonic Rush series, Eggman and Dr. Eggman Nega become partners to create their own Eggmanland, Sonic has even mistaken Eggman Nega for Dr. Eggman and thought that it was just a silly new disguise. However, in the Sonic Rivals series, Eggman Nega turned Eggman into a card, sparking some animosity.

It is likely that their alliance fell apart at the end of Sonic Rush Adventure when Eggman Nega nearly blew up the earth against Eggman's wishes. It is also revealed in Sonic Rivals that Eggman Nega is not Eggman's dimensional doppelgänger, but his descendant from at least 200 years in the future, though it's never made clear if Eggman himself knows about this fact.

Shadow the Hedgehog

Eggman discovers 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 wouldn't foil his plans. Everyone was shocked when they realized that Shadow was created to kill everyone on earth, even Eggman himself.

But after Sonic Adventure 2, Eggman seems to have a dislike for Shadow and told Shadow not to disturb him in Sonic the Hedgehog (2006). However, he depended on Shadow to eliminate the Black Arms in Shadow the Hedgehog, which nonetheless is the only game in which Shadow actually fights Eggman (as in Sonic Heroes and Sonic Rivals it was Metal Sonic and Eggman Nega in disguise though he does race him in Sonic Free Riders). Eggman in Shadow the Hedgehog was revealed to be the reason why Shadow was still alive, as he sent one of his robots to save him when he seemed to have perished during the ARK incident, although he nonetheless tried to trick Shadow into believing he was one of his robotic doppelgangers. In the Sonic Rivals series, Eggman turns 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 more dangerous evil.[33]

In Sonic Forces, it seems that Shadow and Eggman are completely enemies. Eggman in particular seems scorned by Shadow, just like Sonic, and calls him a blasted Hedgehog. Despite this, however, he had no qualms with creating Replicas of Shadow for his Eggman Empire.

Orbot and Cubot

Dr. Eggman with his assistants robots, Orbot and Cubot, from Sonic Colors.

Eggman finds Orbot and Cubot to be slightly useful assistant robots but is usually annoyed through their constant mocking of him or display of stupidity. Eggman is also not a fan of when Cubot's voice chip malfunctions.

The official Sonic Colors website and manual states that while Orbot obeys Eggman faithfully, he does not like him very much while Cubot, on the other hand, likes Eggman but tries to get out of doing any work.

Although Orbot generally does not give Eggman many compliments, there have been a few instances where he was capable of acknowledging Eggman, as evident in Sonic Forces where, while Eggman was gloating about how with his new weapon, he would defeat Sonic and succeed in conquering the world, Orbot admitted that that time, Eggman "[meant] business".

Classic Eggman

Classic Eggman is Dr. Eggman's past counterpart from another dimension. When they first met each other, they worked together as partners to dispose of their respective Sonics. The two had a great deal of mutual respect for each other, as they both referred themselves as a "gentleman genius". Due to their shared defeat at the hands of Sonic at the end of the Time Eater incident, their relationship starts to deteriorate, prompting them to argue quite frequently. Classic Eggman soon loses all respect for Eggman once he learns that he has never defeated Sonic once.

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. It is also implied that his desires to form the Eggman Empire were rooted at feeling his grandfather was unfairly tried and executed. 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 trust 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, although he regained most of his respect for his grandfather when he learned about Gerald's intention of wiping out the Black Arms with the Eclipse Cannon.

Friends/allies

Neutral

Enemies

References

  1. 1.0 1.1 Interview with Yuji Naka: Creator of Sonic the Hedgehog. Sega. Archived from the original on 5 June 1997.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 Sonic Channel (Japanese). Characters: Eggman. Sega. Archived from the original on 26 May 2019. Retrieved on 3 June 2015.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Devra Newberger Speregen (2016). Sonic: The Ultimate Character Guide. Scholastic. p. 23. ISBN 978-1338033243.
  4. Sumo Digital (23 February 2010). Sonic & Sega All-Stars Racing. PlayStation 3. Sega. Area/Level: Dr. Eggman's profile card.
  5. Sonic the Hedgehog (Sega Mega Drive) United States instruction booklet, p. 2.
  6. Sonic Adventure 2 (Dreamcast) United States instruction manual, pg. 9.
  7. Sonic the Hedgehog (1991) (Sega Mega Drive) Japan instruction booklet, p. 8.
  8. Sega of America (February 2004). Yuki Naka on Sonic's Past, Present, and Future part 2. Sega of America. Archived from the original on 24 January 2004. "Sega.com: Did Sonic have a hand in changing Dr. Robotnik's name to Dr. Eggman for the United States games? If so, was he trying to make fun of his nemesis? / Yuji Naka: To tell the truth, his name has not changed. Robotnik is his real name and Eggman is a common name taken after his shape. Possibly, it may have been Sonic, who uttered this alias for the first time! I feel, though, Sonic uses this name affectionately, rather than trying to make fun of the doctor."
  9. 9.0 9.1 Sega of America. Dr. Robotnik aka Eggman. Sonic Characters. Sega of America. 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."
  10. Sonic Adventure 2 (Dreamcast) United States instruction booklet, 9.
  11. Sonic the Hedgehog (PlayStation 3) United States instruction booklet, 6.
  12. Super Smash Bros. Brawl (2008). In-game description of the "Dr. Eggman" trophy.
  13. Sonic Riders: Zero Gravity (Wii) United Kingdom instruction booklet, pg. 6.
  14. Sonic Team (7 November 2017). Sonic Forces (Episode Shadow). Nintendo Switch. Area/Level: World Map. "Infinite: Hahah. The world's most powerful robot is no more a challenge than Crabmeat."
  15. Dimps, Sonic Team (7 June 2004). Sonic Advance 3. Game Boy Advance. THQ. Area/Level: Opening sequence.
  16. Sonic Team (9 December 2008). Sonic Unleashed. PlayStation 3. Sega. Cutscene: Opening.
  17. Sonic Team (3 May 2002). Sonic Adventure 2: Battle. Nintendo GameCube. Sega. "Dr. 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?"
  18. Sonic Team (3 May 2002). Sonic Adventure 2: Battle. Nintendo GameCube. Sega. "Dr. 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! / Dr. Eggman: Because you just told me, fox boy!"
  19. Sonic Team (7 November 2017). Sonic Forces. Nintendo Switch. 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."
  20. Sonic Team (7 November 2017). Sonic Forces. Nintendo Switch. 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."
  21. "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." - Mario & Sonic at the Olympic Games.
  22. Sonic Riders
  23. Sonic Team (29 October 2013). Sonic Lost World. Wii U. Sega. Area/level: Frozen Factory Zone 2. Cutscene: Eggman Gets His Buttons Pushed.
  24. Sonic Team (29 October 2013). Sonic Lost World. Wii U. Sega. Area/level: Lava Mountain Zone 4. Cutscene: Epilogue.
  25. Sonic Team (29 October 2013). Sonic Lost World. Wii U. Sega. Area/level: Desert Ruins Zone 4. Cutscene: Rise of the Six.
  26. Sonic Team, Blindlight (24 November 2006). Sonic the Hedgehog. Xbox 360. Sega. Cutscene: The time-space rift.
  27. Sonic Team (29 October 2013). Sonic Lost World. Wii U. Sega. Area: Lava Mountain Zone 4. Cutscene: Eggman Returns.
  28. Sonic Team (9 December 2008). Sonic Unleashed. PlayStation 3. Sega. Cutscene: Eggman's Idea. "Eggman: What's the progress on the Dark Gaia-powered Eggman Land construction system? / SA-55: Current status is... 27 percent complete. Progress is significantly behind projected timetable. Presumed cause of delay... is Dark Gaia's dispersion across the globe. / Eggman: Oh, of all the lazy... Here I go to the trouble of waking that Dark Gaia thing up, and it causes me nothing but delays! / SA-55: Dark Gaia had yet to reach maturity within the planet's core. Ergo, it was still incomplete at the time of its awakening. Ergo, it was unable to sustain its own weight upon its release. Ergo, it scattered around the world. / Eggman: I don't want to hear about its weight issues! So what if I gave it a bit of a sudden awakening!? This is unacceptable! / SA-55: Ergo, this is the repercussion of your hasty actions. / Eggman: What was that?! I'm having a bad enough day as it is... First that professor runs off with the Gaia Manuscripts, and now the planet's coming back together! / SA-55: That, Doctor, is the result of the power of the Chaos Emeralds, which you discarded along with Sonic. Ergo, another repercussion of your hasty actions."
  29. Sonic Team (7 November 2017). Sonic Forces. Switch/PlayStation 4/Xbox One/Steam. Sega. Area/Level: Vs. Infinite. "Dr. 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!"
  30. Sonic Rivals 2 (PlayStation Portable) North America instructional booklet, p. 8.
  31. Knuckles' Chaotix
  32. Sonic the Hedgehog 4: Episode II
  33. Sonic Team, Blindlight (24 November 2006). Sonic the Hedgehog. Xbox 360/PlayStation 3. Sega. Area/Level: Solaris. "Dr. Eggman: Shadow, I'm trusting you to do this."
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