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I am the ultimate life form, Shadow the Hedgehog. I will crush anyone who stands in my way!

— Shadow the Hedgehog, Sonic Battle

Shadow the Hedgehog (シャドウ・ザ・ヘッジホッグ Shadō za Hejjihoggu?) is a character that appears in the Sonic the Hedgehog series. He is an anthropomorphic hedgehog/Black Arms hybrid who resembles Sonic the Hedgehog in many ways[8] and serves as his arch-rival and occasional ally. Shadow was created as the "Ultimate Life Form" (究極生命体 Kyūkyoku Seimeitai?) by Prof. Gerald Robotnik by using the DNA of Black Doom and is the final result of Project Shadow. His purpose was to provide ways to develop a cure for incurable deadly illnesses, more specifically for Gerald's granddaughter Maria Robotnik, who he had a great bond with. However, he was eventually captured following his creation and put into stasis by G.U.N. when he was deemed as a threat to humanity.

Fifty years later, Shadow was released by Dr. Eggman in order to assist him in his plan to conquer the earth. Initially, Shadow worked with him but secretly sought to destroy the planet in order to avenge Maria, who had been killed by the G.U.N. military, but was persuaded to save it from Gerald's doomsday plans. In the process, Shadow lost his memories and as such, sought to uncover the truth of his past, during which he met Black Doom and the Black Arms; in the end, Shadow regained his memories, uncovered the truth, and thwarted Black Doom's agenda and saved the world. From there, he continued his mission to protect humanity for the sake of Maria.

Shadow is sharp-witted, always on edge, and has a strong sense of purpose, always willing to accomplish his goals by any means,[9] and always serious. Essentially a dark version of Sonic, Shadow can match him in both speed and skill, and can use Chaos Control with a Chaos Emerald to warp time and space.[10][8] While preferring to work alone and not one of his closest friends, he has helped Sonic and his allies when needed.

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Concept and creation


Shadow and Sonic, along with a Hero, Dark and neutral Chao, from Sonic Adventure 2: Battle.

After the success of Sonic Adventure, it was hoped that a sequel would be for the Dreamcast what Sonic the Hedgehog 2 was for the Sega Mega Drive/Sega Genesis. In 1999, a portion of the team responsible for the new Sonic Adventure title traveled to work at Sega of America.[11] It was led by director Takashi Iizuka, while Yuji Naka remained in Japan to work on other properties, including Phantasy Star Online. With the team in place, brainstorming soon began on what form Sonic Adventure 2 would take.

Early on, it was decided that one of the main themes of the game would be the dichotomy between good and evil. To explore this, the creators came up with new characters that would both assist Dr. Eggman and challenge the established cast of heroes: one would become Rouge the Bat, while the other would become Shadow. Takashi Iizuka was the one to first conceive the idea of Shadow, coming up with the idea of a dark, anti-hero figure who resembled Sonic in shape, but not in personality.[2] His role as a dark hero rather than a rival was inspired by American comic book anti-heroes such as Spawn, which were popular at the time.[11] While creating Shadow, there was a proposal to create a character that was as cool as or better than Sonic.[1] Several early designs of Shadow ranged from having long spines with tufts of fur in front of his eyes, to having capes, shades or even a missing eye. Shiro Maekawa was the one who came up with Shadow's final design and considers himself to be Shadow's creator. He has stated that there are times where he feels a stronger bond with Shadow than his real relatives.[1]


Some of Shadow's concept designs next to his final design.

When being designed, the character's original name was "Terios"[12][note 1], derived from the Old Greek word "τέλειος" (telios) which can be roughly translated as "final" or "making dreams come true",[13] possibly chosen in reference to Gerald's reason for creating the Ultimate Lifeform. According to Kazuyuki Hoshino, Shadow's red stripes were inspired by Kabuki makeup.[14] Shadow appears to also have partially been inspired by the character Vegeta from the Dragon Ball franchise, as an early sheet of concept artwork presented in the Sonic the Hedgehog 25th Anniversary Art Book uses "Vegeta" as a keyword describing Shadow. However, this has since been refuted by Takashi Iizuka.[15]

Once Sonic Adventure 2 was announced, the identity and nature of Shadow was a heavily guarded secret. The character was first shown to the public in the first game trailer for Sonic Adventure 2; however, his name was not revealed. GameSpot described what little was shown as Anti-Sonic - similar in appearance, but with darker skin, more angled eyes, and a fearsome scowl instead of Sonic's trademark grin.[16]

When Shadow seemingly died in Sonic Adventure 2, there rose a huge fanbase for Shadow to appear in more games, after being disappointed by his "death." This let Takashi Iizuka input Shadow as a playable character in Sonic Heroes and even star in his own game, Shadow the Hedgehog.[17] In fact, Takashi Iizuka said that they maintained the mystery around the character of Shadow the Hedgehog and had wanted to feature him in his own game since he was introduced.[18] For the Shadow the Hedgehog game, after feeling that it would be inappropriate to give Sonic's character a gun as fans had requested in mailings,[19] Yuji Naka believed that by focusing on Shadow for his own game, they could use his different identity from Sonic to build upon the Sonic brand.[20]


Sonic Art Assets DVD - Shadow The Hedgehog - 1

Shadow the Hedgehog, from Sonic Art Assets DVD.

Shadow is a black-furred anthropomorphic hedgehog. He has red eyes, a patch of white fur on his chest, a black nose, a tan muzzle, and small, triangular ears with tan canals. He also has six quills on his head, four of which curve upwards while the other two curve downwards, two spines on his back, and a short, pointy tail. He has red stripes on each of his head quills, around the edges of his eyes, and on his arms and legs.

For attire, Shadow wears white gloves with black cuffs and red tongues, and Air Shoes which, like his gloves, have black cuffs and red tongues. Shadow also wears Limiter Rings, one on each of his wrists and ankles.

Following the Black Arms incident, the red paint on the front of Shadow's Air Shoes has been scratched off, and his eyes have become more red-orange in color.


Shadow profile SG

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

Being Sonic's polar opposite personality-wise,[5] Shadow is, bluntly put, a brooding loner. He usually acts with a cool and businesslike indifference, only occasionally showing his vulnerable side. He is rarely seen with others for an extended period of time and usually distances himself from essentially everyone. He is usually blunt and does not speak much, but he always knows exactly what to say in combat. However, Shadow never bluffs; if he makes a threat, he has every intention of carrying it out. Tying into this attitude, the Japanese script has his self-pronoun be the more humble "boku", with his pronoun for others switching between either "kimi" or "omae" depending on his mood.

As the most violent and merciless character in the series at times,[5] Shadow's ruthlessness and aggression leads to enemies never treating him lightly. Alongside his dark and violent demeanor, Shadow can be smug and stubborn. He usually treats others in a very callous manner, throwing in his opinion no matter how cold-hearted it is and not caring for whatever the response is. Shadow is also shown to have a sharp wit; during the Space Colony ARK incident, after being called a faker by Sonic, he replied that the latter was not worth being considered his fake.[21]

Just like how Shadow's motivations are never simple to understand, he spends as much time grappling with his own inner demons as he does with his rival, Sonic.[5] In the past, Shadow has had a degree of mental instability, in particular post-traumatic stress disorder. This was demonstrated by his instances of post-traumatic flashbacks to Maria's face prior to and during the events of the Black Arms incident, though it could be argued that the instances of the latter game were simply an effect of his amnesia. On one occasion, at the time of the Space Colony ARK incident, seeing police sirens flashing caused him to intensely flash back to the massacre aboard Space Colony ARK and in particular Maria's death. Shadow was soon able to overcome this in the Black Arms and the Emerl incidents, during which he chose to move on from the past yet keep Maria in his heart. In fact, his personal journey since being awoken by Eggman has had him confront the shackles of his past, such as ties, fate, and memories. Since then, it appears as though he is reaching a point where he can "do as his heart desires" in his own way.[22]

Shadow originally had disdain for humanity, being a misanthrope, but rarely attacked them outright, merely looking at them as a distant observer. During the events of the Space Colony ARK incident, Shadow was planning to destroy the planet both ordered by Gerald Robotnik through brainwashing, and as revenge for the death of his only friend, Maria Robotnik. Shadow eventually moves past his hatred for humanity by remembering his promise to Maria. Now Shadow seeks to protect humanity and those on earth to honor Maria's dying wish despite their original misgivings.

During the many incidents that Shadow takes part in, he pursues his foes with a relentless, unwavering determination. He will usually go to any length to accomplish something he desires or feels should be a certain way, no matter what the cost. Before the War to Take Back the Planet, it is heavily implied that Shadow ruthlessly massacred an entire mercenary band known as the Jackal Squad not only in an extremely dismissive, nonchalant manner (as he did not even remember the incident a few months later), but also seemed slightly proud, mocking the mercenary defense squad by saying they themselves needed a defense squad. He also demonstrated rather coarse language during the Black Arms incident.

Shadow possesses a strong sense of identity; after falsely being told by Rouge that he was not the Ultimate Lifeform due to a lab report, he stated to her that, even if his memories were fake, he was still Shadow the Hedgehog.[23] These qualities make him rarely susceptible to being manipulated by others.

Since when did you become someone who secretly works for everyone's peace?
...I'm not interested in peace or whatever. I don't care what happens to others. I just don't like it when fools do whatever they please on this planet. Whether it's the doctor or anyone else, including you. Don't get me wrong.

Sonic the Hedgehog and Shadow the Hedgehog, Sonic Channel

In Shadow's own words, he is not interested in peace, nor does he care about what happens to others. In truth, he simply does not like it when foolish people do whatever they please. While this may make it seem like Shadow stands firmly in opposition to villainy, he is actually very indiscriminate about who he faces, as he chooses to stand against anyone who he condemns for being "foolish", be they villains like Dr. Eggman or heroes like Sonic. He similarly does not want thanks for the help he provides when he does something heroic, believing that showing gratitude is a waste of time.[22] However, the grim and uncaring disposition he puts on is not entirely accurate considering the lengths he goes to save others including even sacrificing his own life. In contrast to his words, Shadow acts in a way that ultimately protects others. Deep down he cares about those around him, only hiding his more caring side to keep himself shielded and distant. Despite his apathetic nature, he does feel sympathy for others, and since reforming himself at the end of the Space Colony ARK incident, he has fought for the greater good, most noticeably to prevent letting other people experience past tragedies, specially the ones that he has been through.[24] Due to being given a "soul" identical to Maria's, he is afraid of his power and has never used it recklessly or to cause suffering.[25] Once, he also saw himself as a weapon since he was created as one, thus causing him to believe that he and other weapons would eventually have to be destroyed to achieve world peace.[26]

Shadow is often depressed about the loss of Maria, which is why he keeps to himself, but his relationship with her is obvious as he goes to great lengths to protect the planet and keep her dream of peace and prosperity alive. He also maintains a strong bond with his teammates, Rouge andOmega, proving that while his attitude makes him seem like a careless person, he does have compassion, more than he otherwise lets on. Still, Shadow brushes off most kindness or sympathy that is sent his way; during the Neo Metal Sonic incident, when Rouge showed concern for Shadow when he saw a broken android of himself, suspecting Team Dark's Shadow might be an android too, Shadow curtly brushed her concern away. During the Black Arms incident, after Sonic suggested some "friendly competition", Shadow bluntly rejected his offer.[27] At times, however, Shadow is shown to appreciate genuine care; at the climax of the Space Colony ARK incident, after Amy Rose made him remember his promise to Maria, Shadow openly decided to keep his promise to protect the planet both to Maria and her. Another instance is during the aborted Solaris incident, when Rouge told him that she would always be by his side, he acknowledged her.

Shadow fast friends bio

Shadow's bio for Fast. Friends. Forever.

Despite the fact that Shadow often fights for the greater good, he is considered an anti-hero for the most part due to his morality and means to his desired end goals. He does whatever is necessary to get what he wants or feels is right, though this enthusiasm causes him to take risks and jump into situations without fully thinking them through.[28] While not necessarily evil, Shadow's cold-hearted, determined personality has sometimes entailed the dangerous purity of turning himself into an enemy of Sonic.[22] Alongside Rouge, he has also taken prize money and jewels upon winning in the second EX World Grand Prix, and the two disregarded the opening and closing ceremonies for the event, showing up late without a third teammate and, at the end of the EX World Grand Prix, walking off right away with what turned out to be dummy versions of the prize money and gems.[29] Regardless, Shadow does have his moments of selflessness and heroism; he nearly sacrificed his life at the end of the Space Colony ARK to save the earth, and helped Silver uncover the truth of the Solaris Project after saving Sonic from him in an aborted timeline.

In spite of Shadow's serious and no-nonsense attitude he is occasionally willing to spend time doing leisurely activities or social events like celebrating Amy's birthday at a murder mystery party on the Mirage Express. He even got Amy a present along with participating in the murder mystery event. Shadow has also competed in a variety of racing and sports competitions, having a strong competitive spirit.

IDW Publishing

Best described as a grim anti-hero, Shadow has a strong sense of purpose and pursues his goals by any means necessary. He possesses a willingness to do whatever it takes to achieve these goals once he has set his sights on them, including using lethal force. This natural vehemence, however, tends to blind him with anger and make him prone to reckless decisions.[30][31] It can also cause him to hold grudges, to the point where, if the object of his grudge is in sight, he is blinded to everything else; after being bested by Starline at the White Park Grand Chateau, Shadow decided to chase after him while ignoring not only Rouge and Tails being captured, but also an avalanche that would have injured or even killed everyone else. However, Shadow ultimately worked with Sonic to try to stop the avalanche.[32] He also does not tend to take others into consideration, and sometimes his desire for revenge overwhelms his own sense of safety. Being an anti-social lone wolf, Shadow is generally not in favor of team-ups either; although he may occasionally cooperate with others, it is typically for his own reasons and does not guarantee that he is willing to follow orders.[30][33] He also often leaves without saying goodbye or thanks.[34][35]


Shadow talking with Rouge, from Sonic the Hedgehog #9.

Shadow is sharp-witted, brooding, arrogant, and always seems to be on edge. He usually acts with a cool and business-like indifference, preferring to stay quiet and only speak when it is necessary to achieving his goals without opening up to anyone while staying focused on his intended target. When push comes to shove, however, Shadow can quickly become enormously aggressive and extensively ruthless. He also does not tend to hold back against anyone, especially against those who get in his way.[31] Additionally, he is stubborn and prideful to the point of foolhardiness and never runs away from a fight; while he and Sonic were defending Sunset City from a horde of Zombots, Sonic ran off to burn his Metal Virus infection into remission while advising Shadow to do the same should he get infected, only for Shadow, who considered running to be a coward's tactic (and believed himself to be wholly immune to the Metal Virus), to continue fighting, which sealed his fate upon being infected by the virus.[36]

Powers and abilities

Sonic v Shadow Boss ARK Race

Shadow matching Sonic in abilities, from the console/PC version of Sonic Generations.

Said to be Sonic's equal in almost every ability,[37][38][39] Shadow can easily rival the blue hedgehog's various physical skills.[40][41][42] His abilities and skills in combat are an extremely powerful force to be reckoned with, and he is a match for even the most powerful foes in the series. He similarly never willingly holds back his immense strength, making him a brutal fighter. On his own, Shadow has been able to take down G.U.N.'s various combat mechs, Dr. Eggman's battle robots, Black Doom and his empowered state, and even deities. To best put his skills into perspective, Shadow was capable of defeating even Sonic while he had Diablon for support, as seen in some of the scenarios during the Black Arms incident. He even managed to best Emerl in combat after the latter had acquired all seven Chaos Emeralds as a power source[43] (although Emerl quickly surpassed him afterward).

Like many of his associates, Shadow is able to move at super speed. Said to possess "ultimate speed,"[44] Shadow is able to match the speeds reached by Sonic,[40][41][42][45] who is able to reach light speed. Although Shadow's Air Shoes have been credited as the source of his speed,[46][47] his powerful body allows him to easily rival Sonic's world class speed as well.[48] Due to such speed, he can scale vertical surfaces and ceilings, out-speed bullets, and attack faster than the eye can see.[49] Even then, Shadow can take his speed further; by enveloping himself in an orange energy field, he can accelerate beyond the sound barrier on both the ground and in midair for a short time, allowing him to not only smash straight through enemies and obstacles like a living projectile, but also fly immense distances through midair. Using certain techniques, he can even achieve light-speed momentarily. While there are some inconsistencies about how fast Shadow is compared to Sonic, it is usually stated that they are complete equals.[37][41] Shadow has demonstrated complete mastery of his speed in any environment. Not only can he run at maximum tilt in straight lines, but also in full tight circles and through sharp turns with full control over his momentum. As far as stamina goes, Shadow's is seemingly limitless as he is never winded from running. His speed also allows him to perform several impressive feats, like spinning in circles or rotating his extremities at super speed to create winds strong enough to attack or blow away/suck in opponents, similar to aerokinesis.


Shadow displaying his acrobatic skills, from Sonic the Hedgehog (2006).

An experienced athlete[50] that shares Sonic's agility,[41] Shadow has outstanding acrobatic skills and nimbleness, along with incredible reflexes that let him avoid any incoming obstacles with precise and delicate movements within split-seconds, grind expertly on Grind Rails, dodge bullets,[49] and perform various strafe movements. When launched into the air, he can also pull off several tricks before landing. Using the Light Speed Dash, he is able to dash across a trail of rings at super speed, further strengthening his maneuverability. Shadow also has superhuman strength, enough to match Sonic in power;[40] with effort,[51] he can overturn objects many times his weight and size such as trucks, buses and large slabs of concrete with one hand. In addition, Shadow possesses astounding kineticism, precision and has reaction time to match his speed. Shadow also has an incredible resilience to damage as he can take lots of major punishment before he goes down for the count. Notably, he is completely bulletproof[52] and even withstood atmospheric entry at the end of the Space Colony ARK incident (the latter which only left him with amnesia[53]). Even when he takes damage though, he is able to recover rather fast.[54]

Owning to his "ultimate life form" physiology, Shadow possesses an immortal body, meaning he does not age and cannot be killed.[42][55][56] Being created as a cure, Shadow has a natural resistance to disease and was able to maintain contact with the Zombot virus for an extended period of time before getting infected. Furthermore, as seen during the Black Arms incident, due to being partly Black Arms, Shadow has a connection to the Black Arms' hive-mind, allowing him to sense his kind's presence and be immune to the Black Arms' body-paralyzing nerve gas.[57]

Shadow also possesses an indomitable will and determination. His absolute refusal to give up in any situation and resolve to see his goals through to the end allows him to keep on persevering even in seemingly impossible situations. His enormous will even let him psychologically resist mind control powers; notably, Shadow was able to regain control of his body from Black Doom despite him being part Black Arms and therefore susceptible to Black Doom's mind control.[58]

Sonic Heroes Chaos Inferno Inversion

Shadow using Chaos Control, from Sonic Heroes.

Shadow is naturally able to tap into the arcane powers of nearby Chaos Emeralds, either through physical contact or from a distance,[59][60] to empower himself and access different chaos powers. According to Shadow himself, he is the only one who knows how to use the Chaos Emeralds' true power.[61] His trademark ability in the field of chaos powers is Chaos Control, a technique achieved with the Chaos Emeralds that lets him warp time and space for various effects.[42][62] With this technique giving him control over time and space,[63] Shadow is able to warp himself and those close by across space instantaneously[64] over a range further than an island-annihilating explosion or between dimensions, slow down or freeze time entirely,[64][65] and create areas of distorted space.[66] Shadow is noticeably adept in using Chaos Control for anything between large-scale usages to small-scaled and delicate chaos powers inside and outside of combat. He can for example use it to either freeze or slow down opponents in time to give himself the speed advantage,[63] launch surprise attacks by suddenly warping up in front or behind opponents,[52] distort space around his fists for strikes that can blow opponents away, hide himself away in distorted space, attack foes with spots of distorted space, and even power his own healing abilities and guarding skills. However, Shadow cannot perform Chaos Control if he does not have any Chaos Emeralds to draw power from.[67]

Shadow chaos spear gens

Shadow using his Chaos Spear attack in Sonic Generations

Beside Chaos Control, Shadow is able to use a number of additional chaos powers. One of these chaos powers include his Chaos Spear technique, in which he throws up to several bolts of Chaos Emerald energy at his opponent that can either paralyze or injure an opponent, depending on its power level. Shadow's most powerful technique, however, is the Chaos Blast, a chaos power where he releases a discharge of Chaos Emerald energy in a massive explosion that eliminates everything within a range of 10-20 yards.[65]

Heroes BlackTornado

Shadow's signature Black Tornado attack in Sonic Heroes.

One of Shadow's main offensive maneuvers is the Spin Attack, a technique where he curls into a concussive ball or cutting disk and directs himself at his targets. With it, Shadow can shred or burrow through just about any substance given enough speed. Highly adept in its usage, Shadow can utilize several variants of the Spin Attack for both grounded and aerial maneuvers, including the Spin Dash, Spin Jump, Double Jump, Homing Attack, Air Dash, Somersault, Dark Spin Dash and the Light Speed Attack, which attacks at the speed of light.

Even without his Spin Attack, Shadow is a powerful hand-to-hand combatant. In line with his nature and potent abilities, Shadow uses a fighting style where he utilizes strong blows, such as powerful chops, flying kicks, sideways kicks, high spin kicks, reverse spin kicks, downward dive kicks, or just barrages of punches and kicks. In addition, many of Shadow's stronger hand-to-hand combat moves revolves heavily around his usage of Chaos Control for space distortion effects to knock opponents away and his Air Shoes' exhaust for burning opponents.

Shadow is an effective combat strategist, able to make split second calculations or adjustments to succeed in battle. His strategies can range from creative uses of his environment, manipulating his opponent's shortcomings, and outmaneuvering enemies.

As shown during the second EX World Grand Prix, Shadow is talented with an his Extreme Gear (Darkness and Black Shot). During the tournament, he was able to put up quite a fight and even defeat some of the world's best Extreme Gear riders. When riding on an Extreme Gear, Shadow is skillful enough to ride on Grind Rails, execute complex tricks while in midair, and perform chaos powers and combat moves with ease.

Shadow-the-hedgehog--with-motorcycle-min (1)

Shadow's Dark Rider, from Shadow the Hedgehog.

Shadow also has extraordinary skill when it comes to driving or piloting all forms of vehicles. Not only is he one of the best race car drivers in the universe with the Dark Reaper, but he is also able to perfectly operate weaponized buggies, armed motorcycles, modified gliders, hover crafts with machine guns, bipedal mechs and alien devices. Shadow is as well an expert gunner, capable of using weaponry like the G.U.N. Lifts and G.U.N. turrets with perfect accuracy. Also, whereas Sonic dismisses firearms, Shadow is not above using such weaponry, and has demonstrates proficient skills in a very wide range of weapons during the Black Arms incident, such as close combat weapons, guns, cannons, lock-on weapons and lasers. Shadow may also have some knowledge about machinery, having once been able to fiddle with a deactivated Omega and deduce he was in standby mode.[68] A miscellaneous ability Shadow has demonstrated as well is telekinesis, which is potent enough to let him move an Extreme Gear around with his mind with ease.[69]


Shadow using his full power, from Sonic the Hedgehog (2006).

As powerful as he is, Shadow is able to make himself stronger up tapping into an even greater power within himself. This power is so potent that should he remove his Limiter Rings, he becomes a walking dynamo of raw power. Eggman compares the overall output of the resulting energy from the rings' removal to that of a raging furnace in his log.[70] When unleashing this power, he releases such tremendous amounts of energy that it forms an impenetrable barrier around himself.[71] While in this state, Shadow gains increased strength and speed,[72] enough to overpower hundreds of clones of Mephiles the Dark at once.[71] However, using his full power tires him out more quickly.[72]

IDW Publishing

Shadow is an extremely powerful individual and combatant, capable of going toe-to-toe with and sometimes even overwhelming Sonic in fierce combat. He boasts superb agility and reflexes to match his rocket skate-induced speed, allowing him to act accordingly to even Sonic's split-second movements. Like Sonic, he can perform the Spin Attack, a technique where he curls into a concussive ball or cutting disk and directs himself at his targets. With it, Shadow can shred or burrow through just about any substance given enough speed.[73] Likewise, although he can only keep up with Sonic's level of super speed using his rocket skates, he is still faster than the average person, enough to chase after a speeding truck.[74]


Shadow performing Chaos Control, from Sonic the Hedgehog #61.

In addition, Shadow commands a number of Chaos Powers. He can warp space and time with Chaos Control, which allows him to teleport himself and, with the help of a Chaos Emeralds, he can teleport others instantaneously over wide distances at will. Chaos Control can alternatively be used to stop time temporarily. Shadow can also form spears out of green energy called Chaos Spears that he can either throw at opponents or wield as a solid melee weapon.[75][76][73][77] When Shadow attacked Eggperial City, he was able to manipulate the Giant Fake Chaos Emeralds to create a tower of them and to trap Eggman's central tower.[78] Shadow has impressive hand-to-hand combat skills as well, being able to utilize a mix of brutal punches and kicks, as he was able to beat up even Neo Metal Sonic, albeit with a surprise attack.[75]


Hover Shoes flying

Shadow using his Air Shoes to hover, from Sonic Adventure 2.

Shadow wears a pair of specialized shoes called Air Shoes. These footwear are the primary source of Shadow's speed,[46] producing small jet streams that let him hover-skate at speeds supposedly even surpassing Sonic's speed.[79] Alternatively, Shadow can use his Air Shoes' exhausts to attack opponents with fire, empower his jumps, or achieve midair hovering.

Shadow wears four Limiter Rings, one on each of his wrists and ankles, that limit the amount of power he uses during combat and other situations. By removing them, Shadow is able to utilize his full power.

During the Black Arms incident, Shadow made use of a vast selection of weaponry. This included anything from close combat weapons like Survival Knives and Black Swords; guns like Pistols and Sub-Machine Guns; cannons like Bazookas and Grenade Launchers; lock-ons like 8-Shot RPGs and Worm Shooters; to lasers like Laser Rifles and Refractors.

IDW Publishing

Shadow wears a pair of specialized shoes. These footwear are the primary source of Shadow's speed, producing small jet streams that lets him hover-skate at speeds rivaling Sonic's supersonic running speed.[80][81] Alternatively, Shadow can use his rocket skates to produce fire to attack opponents with or achieve midair hovering.[82][83]


Super Shadow

Main article: Super Shadow
Super shadow final

Shadow transformed into Super Shadow, from Sonic Art Assets DVD.

By harnessing the power of the seven Chaos Emeralds, Shadow can enter a Super State, transforming him into Super Shadow. In this state, all of Shadow's abilities far surpass his normal ones and his chaos powers are increased to their full limit. He is also able to fly and is nearly invulnerable. Initially, Shadow found it difficult to stay in this state due to inexperience,[84][85] but he has since mastered it. In addition, this transformation consumes a lot of energy, meaning it cannot be maintained for long.

Hero Shadow

Main article: Hero Shadow
Hero Shadow

Shadow in his Hero Shadow state, from Shadow the Hedgehog.

When his mind is fueled by thoughts of justice, Shadow is able to attain an enhanced state known as Hero Shadow.[86][87] In this state, Shadow is temporarily invincible and can perform a large-scale use of Chaos Control. However, this state only lasts for a short period of time.

Dark Shadow

Main article: Dark Shadow

Shadow in his Dark Shadow state, from Shadow the Hedgehog.

When his mind is fueled by thoughts of evil, Shadow is able to attain an enhanced state known as Dark Shadow.[86][87] In this state, Shadow is temporarily invincible and can perform a large scale-use of Chaos Blast. However, this state only lasts for a short period of time.

Chaos Boost

Main article: Chaos Boost

Shadow in his Chaos Boost state, from Sonic the Hedgehog (2006).

On his own, Shadow can access an enhanced state known as the Chaos Boost. In this state, Shadow's powers are boosted significantly, granting him warp-like speeds, near invulnerability, and bolstered chaos powers.

Color Powers

Main article: Color Power

By harnessing different variants of Hyper-go-on from Wisps, Shadow can use specific Color Powers to transform into a certain form, such as a drill, a laser or even a planet, each one possessing its own unique abilities. So far, Shadow has been able to transform into the Cyan Laser, Yellow Drill and Indigo Asteroid. However, these transformations require a steady supply of Hyper-go-on to be maintained.


Dolphin 2015-09-05 20-34-39-930

Shadow being temporarily controlled by Black Doom, from Shadow the Hedgehog.

Shadow takes extreme measures to achieve his goals.[4]

During the time he had amnesia, Shadow was initially a somewhat easy target for manipulation due to his confusion about who he was and his eagerness to learn anything more about his past. Dr. Eggman could deceive him with lies about his past and Black Doom could subtly manipulate him using visions. However, after learning of his true purpose, Shadow is no longer as easily deceived.

Being part of the Black Arms, Shadow is partially an extension of Black Doom, making him vulnerable to mind control exerted by Black Doom himself. However, Shadow can fight this influence through sheer resolve and willpower.

Despite his immortality, Shadow can be knocked down if taken off-guard. Most noticeably, this will leave him unable to walk and speak immediately after the attack.[88] Though he can still fight later on, this will risk his life if he pushes himself too far,[89] and it takes him several days to fully recover.

Shadow when his Limiter Rings are taken off, if he uses all his energy, it can lead in into him over-exerting himself allowing him to be defeated easily from exhausting him.[70]

IDW Publishing

While Shadow has no known physical weaknesses, his rash and headstrong nature has caused him to fall to dire situations before; even though Sonic had told him he could similarly counter his infection with his speed, Shadow, misinterpreting it as meaning to retreat, refused to break away from fighting the Zombots. Also, despite the fact that his immune system is indeed more powerful than many others and cannot leave him sick from any known diseases, it is not immune to everything as he still got infected by the Metal Virus, albeit in a more delayed response compared to other people.[90]


In other media

Sonic Prime


Shadow the Hedgehog, from Sonic Prime.

Shadow is a focused, serious and powerful hedgehog known as the Ultimate Life Form. While trying to join in the fight against Eggman, he ends up trapped inside the Void of the Shatterverse, not allowed to visit other worlds. Shadow must try to find a way to help Sonic, but first, he must learn to trust the hedgehog once again.



Shadow the Hedgehog, from Sonic the Hedgehog 2 (film).

In the Sonic the Hedgehog film series produced by Paramount Pictures and its spin-offs, Shadow is an anthropomorphic hedgehog associated with a secret experiment called Project Shadow that took place over fifty years prior to Dr. Robotnik's return from the Mushroom Planet.

IDW Publishing


Shadow the Hedgehog, from Sonic the Hedgehog #5.

In the Sonic the Hedgehog comic series and its spin-offs published by IDW Publishing, Shadow's past is virtually identical to his game counterpart's, up until after the events of Sonic Forces. After the Eggman War, Shadow focused on finding Dr. Eggman and eliminating him. He eventually found him in Windmill Village, where Sonic defended Eggman, claiming he had lost his memory and was now harmless. After some persuasion, Shadow decided to leave Eggman be. He later took part in the battle for Angel Island and the fight against Neo Metal Sonic. Afterward, during the Metal Virus outbreak, Shadow, along with Team Dark, helped evacuate Sunset City. However, Shadow ended up getting infected with the Metal Virus and turned into a Zombot. Eventually, however, he was restored to normal on Angel Island, where he immediately began pursuing Eggman, but was foiled by Metal Sonic. He later followed a lead on Eggman to White Park Zone, where he got attacked by Dr. Starline. Soon after, Shadow helped Sonic save the White Park Grand Chateau from an avalanche caused by Starline.


Shadow was ranked as the second favorite Sonic character, beaten only by Sonic the Hedgehog himself, in the official Sonic character poll.[91] However, many game reviewers, such as GameSpot, have called Shadow a "clone" of Sonic.[92] Game Revolution described his character as a "quintessential anti-Sonic."[93] In a feature about "How Sega Can Save Sonic the Hedgehog," Jeremy Parish wrote that of the "tagalongs" that the series must ditch, Shadow's character was the most in need of it.[94]


"Maria, this is what you wanted, right? This is my promise I made to you."
—Shadow the Hedgehog, Sonic Adventure 2
"If the world chooses to become my enemy, I will fight like I always have!"
—Shadow the Hedgehog, Sonic the Hedgehog (2006)
"I'm more than enough on my own. I'll handle things my way."
—Shadow the Hedgehog, Sonic Forces




  1. In the 2012 PC version of Sonic Adventure 2, several files relating to Shadow use the name "Terios" in place of Shadow. For instance, Shadow's model data is placed in a folder titled "teriosmdl".


  1. 1.0 1.1 1.2 Creators Interview 006: Maekawa Shiro. Sega. Archived from the original on 26 June 2019. Retrieved on 5 September 2022. "Interviewer: Who is your favorite character in the Sonic series? Please tell me why. / Shiro Maekawa: It's Shadow the Hedgehog. In fact, I am also the creator, but sometimes I feel a stronger bond than my real parents and siblings. I can't think of anyone else anymore."
  2. 2.0 2.1 Fast talking. PlayStation UK. Archived from the original on 26 June 2009. Retrieved on 4 September 2016. "Interviewer: If you had to pick a character from the Sonic universe who would you be and why? / Takashi Iizuka: ...I also would have to pick Shadow for the fact he is a character I created."
  3. Ryan Drummond (@RYANtheDRUMMOND) on Twitter. Twitter (15 October 2020). Archived from the original on 15 October 2020. "SADKOOLAID: So......basically even before Jason Griffith, Sonic and Shadow were voiced by the same guy (at least for a few seconds during the final leave) this true @RYANtheDRUMMOND? / Ryan Drummond: Yup. For just that one game. Don’t tell Sega! 🤣"
  4. 4.0 4.1 4.2 Devra Newberger Speregen (2016). Sonic: The Ultimate Character Guide. Scholastic. p. 31. ISBN 978-1338033243.
  5. 5.0 5.1 5.2 5.3 Sonic City. Sega. Archived from the original on 29 February 2008.
  6. 6.0 6.1 6.2 6.3 6.4 Sega . Sonic Channel (Japanese). Characters: Shadow. Archived from the original on 26 May 2019. Retrieved on 3 July 2015.
  7. Sumo Digital (23 February 2010). Sonic & Sega All-Stars Racing. PlayStation 3. Sega. Area/level: Shadow the Hedgehog's profile card.
  8. 8.0 8.1 SONICNEXT_allscript (Google Docs). Archived from the original on 27 March 2022. Retrieved on 16 May 2022. "A black hedgehog who looks almost identical to Sonic, and who also matches him to a T in terms of speed. Created as the ultimate life-form by Professor Gerald, the greatest scientific genius of our time, he has an unaging, undying body, and can use the power of the Chaos Emeralds to utilize Chaos Control, a way of manipulating time and space. He grew up with a girl named Maria, who was like a dear sister to him, but his memory of her and her dying promise had traumatized him to the point where he became bent on annihilating the human race out of revenge. After the destruction of the Space Colony ARK (Sonic Adventure 2), he disappeared, but he proved to be alive later, in Sonic Heroes, where Rouge found him in Eggman's secret base. Since being released from his capsule, most of his memory is gone. It is unclear whether he still holds the same murderous traits he displayed in the past."
  9. Shadow the Hedgehog. Sonic Characters. Sega of America. Archived from the original on 5 March 2005. Retrieved on 26 October 2017. "Shadow is the spitting image of sonic except for his black body. The world's greatest scientist, Professor Gerald, created him for a purpose known only to the professor. Ageless and immortal, Shadow has the special ability to harness the power of the Chaos Emerald, which allows him to warp time and space. Sharp-witted and willing to do whatever it takes to get what he wants, he always seems to be on the edge. Maria, who was raised with Shadow and was Maria's only friend, died in front of his very eyes. Her final wish was that Shadow save the world. Saving the world from what is a secret only Shadow knows. Traumatized by the grief of her death, Shadow remains strong enough to keep the promise he made to her."
  10. Sonic Adventure 2: Battle (Nintendo GameCube) United States instruction booklet, pg. 7.
  11. 11.0 11.1 Stream Archive: Anime Expo 2024 - Sonic X Shadow Generations Dark Beginnings Panel. YouTube. (7 July 2024). Retrieved on 9 July 2024. Takashi Iizuka (translated by the panel's translator): "So Shadow was really born in 1999, when we began development on Sonic Adventure 2. In the beginning, we kind of thought, 'we want a rival character, something to really contrast Sonic, so we need a rival character in this game.' At that time, all of the team flew over to America, and we started living and working in America. When we got there we realized dark heroes, heroes like Spawn, were really popular in America. And that really inspired us to make Shadow a different kind of character, and that's when we thought 'we don't want him to be a rival to Sonic, we want him to be a dark hero.' And that's really where Shadow was born, from an idea."
  12. Takashi Iizuka on Sonic Team's Expansion and Shadow's Evolving Motivations - TSS Interview. The Sonic Stadium (11 June, 2024). Retrieved on 11 June, 2024. "Takashi Iizuka: ....[when we] created Sonic Adventure 2, [we] were always calling the character "Terios.""
  13. Press release for the "Daihatsu Terios" car, detailing the origins of the name. Daihatsu. Archived from the original on 10 January 2007. Retrieved on 1 April 2024.
  14. ソニックステーションLIVE! with 悠木碧(2021.3.21放送回) (Japanese). YouTube. ソニック・ザ・ヘッジホッグ【公式】 (21 March 2021). Retrieved on 11 July 2021.
  15. Stream Archive: Anime Expo 2024 - Sonic X Shadow Generations Dark Beginnings Panel. YouTube. (7 July 2024). Retrieved on 9 July 2024. Zeno Robinson: "I had it in my notes, I was under this impression, that he was also inspired by Vegeta from the Dragon Ball franchise, but wait wait, but Iizuka-san told me that's not true! It's not true!"
  16. Sonic Adventure 2 Hands-On. GameSpot. Retrieved on 2 December 2019.
  17. PAUL.STR337 (18 July 2011). SUMMER OF SONIC 2011: SONIC TEAM ON STAGE. Sonic Stadium. "Takashi Iizuka: The Shadow character idea was something that we all had in our minds in the dev team when we were creating the first Sonic Adventure. When creating that game, we had the intention of creating a rival character for Sonic Adventure 2 and we didn't really talk about it that much, but we were all thinking about it. When we were working on Sonic Adventure 2, we all did a bit of brainstorming and we brought this to the table and prepared the storyline for the Dark side and the Hero side. As you know in the story, Shadow was only meant to appear in that single title. But because of the reaction of the fans, we decided to bring him back in Sonic Heroes and eventually you saw him in his own title."
  18. Shadowing a Hedgehog. Yahoo!. Retrieved on 16 December 2008.
  19. Shadow the Wrestling Hedgehog. Retrieved on 26 January 2009.
  20. Sega's Yuji Naka Talks!. GameSpy. Retrieved on 11 July 2008.
  21. Sonic Team USA (23 June 2001). Sonic Adventure 2. Dreamcast. Sega. Cutscene: Face off with Sonic. "Shadow: That blue hedgehog again, of all places... / Sonic: I've found you, faker! / Shadow: Faker? I think you're the fake hedgehog around here. You're comparing yourself to me? Ha! You're not even good enough to be my fake!"
  22. 22.0 22.1 22.2 Sega (28 June 2021). ソニック & シャドウ (Japanese). Sonic Channel. Archived from the original on 28 June 2021. Retrieved on 28 June 2021.
  23. Sonic Team USA (23 June 2001). Sonic Adventure 2. Dreamcast. Sega. Cutscene: Cutscene 28. "Rouge: Do you actually believe that... you're the real Shadow? / Shadow: No doubt. / Rouge: Even your memories might not be real, you know? / Shadow: Even if my memories are not real, it's still me; Shadow. And I will fulfill my promise to Maria. That's the only thing that matters to me now"
  24. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. Area/level: Central City (Tails' Episode). "Shadow: There's no need to repeat past tragedies! Nobody else ever needs to go through the things that I have!"
  25. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. Area/level: Gimme Shelter (Shadow's Episode). "Shadow: Why did Gerald give me a soul?! / Rouge: He was not interested in researching weapons. He was researching a way to bring happiness and hope to all people. But, he was forced by the government and by the military to use his research for war. That's why he gave you [...] a soul identical to his beloved granddaughter, Maria. [...] His hope was that no matter how crazed and obsessed with destruction mankind might became, the weapons themselves would never fight. Shadow, you are afraid of your own power. It troubles you. But, you've never used your power recklessly. You've never used it selfishly. Gerald's wishes have come true."
  26. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. Area/level: Emerald City (Shadow's Episode). "Sonic: Maybe you've forgotten, but I seem to recall you saving humanity at some point. / Shadow: ...That was for Maria. / Sonic: Exactly! If you have a heart, you would never use your power for the forces of evil! There's no way you could! Weapons aren't supposed to have 'hearts.' But, both you and Emerl do! You guys... You aren't just weapons! / Shadow: Hmph! No, you are wrong. We were created as weapons. If the people of this world ever want peace, they must destroy us."
  27. Sega Studio USA (15 December 2005). Shadow the Hedgehog. Nintendo GameCube. Sega. Cutscene: After Westopolis (Hero mission). "Sonic: Now that was sweet, Shadow! / Shadow: Yeah... Well I'm not here to save you! / Sonic: Thought you might say something like that! How about a little friendly competition? / Shadow: Don't waste my time."
  28. Pedigree Books (August 2013). "Eggman's IQ Math Test". Sonic the Hedgehog Super Interactive Annual 2014. Pedigree Publishers. p. 15. ISBN 978-1908152077. "Fact: Shadow often launches into situations without fully thinking them through. That natural enthusiasm sees him take risks and dabble with danger as he tries to get what he wants, by any means necessary."
  29. Sonic Team (4 November 2010). Sonic Free Riders. Xbox 360. Sega. Cutscene: Cutscene 1 (Team Dark). "Omochao: Huh? By my count we're one team short! What could possibly have come up to keep them from the ceremony?! Ah ah! There they are! Shadow and Rouge... Which means the missing racers were Team Dark! / Rouge: Would you pipe down? We just came here to collect the cash prize. Until the first race starts we're off the clock, darling. / Omochao: What are you talking about?! The opening ceremony started over fifteen minutes ago! / Shadow: I've no interest in these formalities. / Omochao: I guess not everybody here is as excited as me... Now I feel kind of self-conscious for getting all excited before. / Shadow: Pageantry aside, we're here to win. You can be sure of that. /Omochao: But there's only two of you. If you're here, where's your third teammate? / Rouge: Don't worry about us. The two of us can handle this just fine."
  30. 30.0 30.1 Sonic the Hedgehog #10, "The Battle for Angel Island, Part 2"
  31. 31.0 31.1 Sonic the Hedgehog #5, "The Fate of Dr. Eggman, Part 1"
  32. Sonic the Hedgehog #36, "Chao Races and Badnik Bases, Part 4"
  33. Sonic the Hedgehog #9, "The Battle for Angel Island, Part 1"
  34. Sonic the Hedgehog #6, "The Fate of Dr. Eggman, Part 2"
  35. Sonic the Hedgehog #11, "The Battle for Angel Island, Part 3"
  36. Sonic the Hedgehog #19, "Crisis City, Part 1"
  37. 37.0 37.1 Sonic Team, Dimps (12 November 2010). Sonic Colors. Nintendo DS. Sega. Area/level: Asteroid Coaster. "Shadow: I'm happy to leave the racing around all day to them, thanks. / Omega: Unable to process. According to data, your ability equals Sonic's."
  38. Sora Ltd. (9 March 2008). Super Smash Bros. Brawl. Wii. Nintendo. Area/level: Trophy Hoard. ""Shadow" trophy: Shadow the Hedgehog is a black hedgehog who resembles Sonic. He was created by Dr. Eggman's grandfather, Gerald Robotnik, to be the ultimate life-form. Not only does he look like Sonic, but he has equal abilities. He has great skill with the space-time warping technique called Chaos Control. To reach his goals, he'll use any means necessary."
  39. "Matching his great rival Sonic in almost every regard, Shadow is out to prove he's the ultimate competitor." - Mario & Sonic at the Sochi 2014 Olympic Winter Games website.
  40. 40.0 40.1 40.2 Sonic & Sega All-Stars Racing (PlayStation 3) United Kingdom instruction booklet, pg. 5.
  41. 41.0 41.1 41.2 41.3 Sonic Team (4 November 2011). Sonic Generations. PlayStation 3. Sega. Area/level: Collection Room. "Shadow's character profile: Created as the "Ultimate Life Form" by Professor Gerald Robotnik, Dr. Eggman's grandfather, Shadow is the spitting image of Sonic, sharing his agility and speed. He has a strong sense of purpose and pursues his goals by any means necessary."
  42. 42.0 42.1 42.2 42.3 Sonic Heroes (PlayStation 2) United States instruction booklet, pg. 8.
  43. Sonic Team (27 February 2004)). Sonic Battle. Game Boy Advance. Sega. Area/level: Gimme Shelter (Shadow's Episode).
  44. Sonic Battle (Game Boy Advance) United States instruction booklet, pg. 4.
  45. Sonic Heroes official website. Characters: Team Dark. Sega. Retrieved on 24 June 2004. "Shadow is the dark incarnation of Sonic, created by the renowned scientist, Professor Gerald at the height of his career. This black hedgehog matches Sonic's great speed and skills and has the ability to distort time and space using "Chaos Control." Shadow was presumed dead after his fall at Colony Arc in Sonic Adventure 2 Battle, but Rouge discovered him hidden away at Dr. Eggman's base. He has no memory of what happened to him but he's anxious to track down Dr. Eggman and find out."
  46. 46.0 46.1 Sonic Rivals 2 (PlayStation Portable) United States instruction booklet, pg. 8.
  47. Sumo Digital (23 February 2010). Sonic & Sega All-Stars Racing. PlayStation 3. Sega. Area/level: Shadow the Hedgehog's profile card.
  48. Shadow the Hedgehog (Nintendo GameCube) United States instruction booklet, pg. 7.
  49. 49.0 49.1 Sonic Team (14 November 2006). Sonic the Hedgehog. Xbox 360. Sega. Cutscene: Shadow's infiltration (Shadow Episode).
  50. Official Sonic Heroes website (Japanese). Characters: Team Dark. Sega. Archived from the original on 12 November 2004. Retrieved on 29 July 2015.
  51. Shadow the Hedgehog (Nintendo GameCube) United States instruction booklet, pg. 15.
  52. 52.0 52.1 Sega Studio USA (15 November 2005). Shadow the Hedgehog. Nintendo GameCube. Sega. Area/level: Cinematic intro.
  53. Sega Studio USA (15 November 2005). Shadow the Hedgehog. Nintendo GameCube. Sega. Area/level: Devil Doom. "Eggman: 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'd lost your memory, that's all. You really are the Ultimate Lifeform my grandfather created!"
  54. Sonic Team (14 November 2006). Sonic the Hedgehog. Xbox 360. Sega. Cutscene: Omega appears (Shadow Episode).
  55. Mario and Sonic Tokyo. Sega. Archived from the original on 20 October 2020. Retrieved on 21 August 2019. "A black hedgehog known as the ultimate life form. Created with an immortal body, he wields Chaos Emeralds to warp space and time."
  56. Sonic the Hedgehog European site. Characters: Shadow the Hedgehog. Sega. Archived from the original on 15 March 2007. Retrieved on 5 May 2015. "This mysterious hedgehog is a near-match for the blue hero though his body doesn't age and he can't be killed. Shadow, the ultimate life-form, is sent to Soleanna on a secret mission from the Federal Government and it's not yet known whether he's there to help or hinder Sonic. With his command of vehicles, Shadow can easily access areas that others can't."
  57. Sega Studio USA (15 November 2005). Shadow the Hedgehog. Nintendo GameCube. Sega. Area/level: Final Haunt. "Sonic: Once every 50 years, that Black Comet passes by this planet. Oh! Do you think those black creatures are somehow connected with that comet? / Shadow: Black ... Comet. UGH! / Sonic: Shadow! What's wrong?! / Shadow: I think you're right... I feel it... they're up there. That's where the answers are... I've got to get to that comet!"
  58. Sega Studio USA (15 November 2005). Shadow the Hedgehog. Nintendo GameCube. Sega. Area/level: The Last Way. "Black Doom: Such bravado for a little hedgehog! I thought you were different from the rest... but maybe not. We are more alike than you think... the same blood runs through our veins. / Shadow: This can't be... Uugghh... Just... who are YOU? / Black Doom: Don't you know? You were created from my blood... / Shadow: Wha...what!? / Black Doom: That's right... You are a part of me... do you feel that? I can control you... You can cannot escape me... nor can you escape your past! Hahahahaha... / ... / Black Doom: Gerald.. you fool! Shadow is already in my control... What's this?! Well, well, well... seems like you're immune to my mind control. / Shadow: You have no control over me, Black Doom! I now understand why I am here... I made a promise and I'm here to keep it! Today, I put my past behind me!"
  59. Sonic Team USA (23 June 2001). Sonic Adventure 2. Dreamcast. Sega. Cutscene: After Radical Highway.
  60. Sonic Team USA (23 June 2001). Sonic Adventure 2. Dreamcast. Sega. Area/level: After Defeating Sonic.
  61. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. Area/level: Central City (Shadow's Episode). "Shadow: Hmph! The only one who can use the true power of the "Chaos Emeralds" is me.""
  62. Sonic Adventure 2 (Dreamcast) United States instruction booklet, pg. 7.
  63. 63.0 63.1 Sonic Team (14 November 2006). Sonic the Hedgehog. Xbox 360. Sega. Cutscene: 10 years ago (Shadow Episode). "Shadow: Don't bother. With a Chaos Emerald's power, I control time and space. You can't break free."
  64. 64.0 64.1 Sega (13 November 2011). Mario & Sonic at the London 2012 Olympic Games. Wii. Sega. Area/level: London Party. "Shy Guy: Do you know what Shadow's Chaos Control lets him do? / ... / Shy Guy: I hear he can stop time and move to another place in an instant!"
  65. 65.0 65.1 Shadow the Hedgehog (Nintendo GameCube) United States instruction booklet, pg. 16.
  66. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. "Chaos Magic: Shadow's ground shot. He hits his opponents with distorted space created with Chaos Control."
  67. Sonic Boom 2013 - Part 2/3 - Q&A Session (41:30). YouTube. MajinReid (13 August 2013). Retrieved on 26 May 2021. "Takashi Iizuka (as translated by the Q&A board's translator): If [Shadow the Hedgehog] doesn't have a Chaos Emerald he cannot use Chaos Control"
  68. Sonic Team (14 November 2006). Sonic the Hedgehog. Xbox 360. Sega. Cutscene: Omega located (Shadow Episode).
  69. Sonic Team (21 February 2006). Sonic Riders. Nintendo GameCube. Sega.
  70. 70.0 70.1 Shadow 101: A Brief History of Shadow the Hedgehog (English). YouTube. Sonic the Hedgehog (11 July 2024). Retrieved on 11 July 2024. "Dr. Eggman: Second item of note: Shadow's Limiter Rings. These are designed to keep his power in check. When he takes them off- ho-ho-hoo, boy... It's like a raging furnace. He's virtually unstoppable for a short time. Perhaps I can trick him into overexerting himself? the cost of a whole army. Nevermind!"
  71. 71.0 71.1 Sonic Team (14 November 2006). Sonic the Hedgehog. Xbox 360. Sega. Cutscene: Showdown with Mephiles (Shadow Episode).
  72. 72.0 72.1 Sega (13 November 2011). Mario & Sonic at the London 2012 Olympic Games. Wii. Sega. Area/level: London Party. "Shy Guy: What does Shadow wear on his wrists and ankles? / ... / Shy Guy: He's faster and stronger without the rings, but he gets worn out more quickly!"
  73. 73.0 73.1 Sonic the Hedgehog #6, "The Fate of Dr. Eggman, Part 2"
  74. Sonic the Hedgehog #20, "Crisis City, Part 2"
  75. 75.0 75.1 Sonic the Hedgehog #10, "The Battle for Angel Island, Part 2"
  76. Sonic the Hedgehog #19, "Crisis City, Part 1"
  77. Sonic the Hedgehog #59, "Urban Warfare, Part 3"
  78. Sonic the Hedgehog #61, "Urban Warfare, Part 5"
  79. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. "Shadow Run: Shadow's running skill. With help from his Air Shoes, he can run faster than Sonic."
  80. Sonic the Hedgehog #6, "The Fate of Dr. Eggman, Part 2"
  81. Sonic the Hedgehog #20, "Crisis City, Part 2"
  82. Sonic the Hedgehog #10, "The Battle for Angel Island, Part 2"
  83. Sonic the Hedgehog #19, "Crisis City, Part 1"
  84. Sonic Team USA (23 June 2001). Sonic Adventure 2. Dreamcast. Sega. Area/level: Finalhazard. "Super Shadow: Gutha! I don't have enough energy to transform into my Super Form!"
  85. Sonic Team USA (23 June 2001). Sonic Adventure 2. Dreamcast. Sega. Area/level: Finalhazard. "Super Shadow: クゥッ…!どうやら、ボクの体にこのスーパー化は無理があったようだ…。 (Gah...! It seems impossible for my body to keep this Super form...)"
  86. 86.0 86.1 Sega Studio USA (15 November 2005). Shadow the Hedgehog. Nintendo GameCube. Sega. Area/level: Westopolis. "Sonic: The power of justice lets you use the teleport using Chaos Control. If you are fueled by evil though, you'll be able to unleash the destruction of Chaos Blast."
  87. 87.0 87.1 Shadow the Hedgehog (Nintendo GameCube) United States instruction booklet, pg. 17.
  88. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. Area/level: Gimme Shelter (Shadow's Episode). "Rouge: Hey, not bad! / Guard Robo: ... ... ... an opening! / Shadow: Guh...! / Rouge: Shadow! What happened? That was just one of the Doctor's random robots! / Shadow: It's nothing! ...ngh! / Rouge: Hey! Shadow! / Shadow: ... ... ... / Rouge: This isn't good... [...] Hey, Shadow! Can't you even walk on your own? / Shadow: ... ... ..."
  89. Sonic Team (27 February 2004). Sonic Battle. Game Boy Advance. Sega. Area/level: Central City (Tails' Episode). "Rouge: Shadow, what do you think you're doing? You know you aren't well enough yet! / Shadow: I didn't push myself much... / Rouge: Yeah, yeah, whatever..."
  90. Sonic the Hedgehog #19, "Crisis City, Part 1"
  91. Sega (23 June 2006). Official Popularity Poll results (Japanese). Sonic Channel. Archived from the original on 5 October 2013.
  92. Sonic Adventure 2 Hands-On. GameSpot. Retrieved on 11 July 2008.
  93. adventure 2 Sonic Adventure 2 Review for DreamCast. Game Revolution. Retrieved on 11 July 2008.
  94. Hit Reset: How Sega Can Save Sonic the Hedgehog. Retrieved on 2 February 2009.

External links