Doctor Eggman

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Game series	Sonic the Hedgehog

First game	Sonic the Hedgehog

Creator(s)	Naoto Ohshima

Voice actor(s)	EN: Deem Bristow (1999-2005) Mike Pollock (2005-present) JP: Chikao Ohtsuka

In-Universe Information Species	Human

Age	50+

In the Sonic the Hedgehog series, Doctor "Eggman" Robotnik (ドクターエッグマン Dokuta Egguman?), also known as Doctor Ivo Robotnik outside of Japan and Doctor Julian Ivo Kintobor in the Archie comic series, is the evil arch-nemesis of Sonic the Hedgehog. He has an IQ of 300 and is comically obese. He stands 1.78 meters (5 ft 10 in) tall and weights in at 282 lb (127.9 kg). His age is uncertain, but it is speculated he is in his forties or fifties, though at least one instruction manual has placed him at 28. His character designer is Naoto Ohshima.

Personality and appearance
Dr. Robotnik's first design (this is also seen in Sonic Gems Collection) Doctor Eggman is the grandson of the scientist Professor Gerald Robotnik, and cousin of the kind Maria Robotnik. He is an evil genius whose goal is to take over the world and create his own nation, Eggmanland, ruled by the Eggman Empire. Originally this was by imprisoning the animal populations inside robots to serve his every whim, but now he has a tendency to build the biggest, strongest weapon he can think of, and threaten nations with it. His plans have always failed however, due to Sonic the Hedgehog. Despite his intelligence, Eggman is terribly immature[1], throwing temper tantrums and breaking things when he loses. He also seems to be very egotistical; a vast number of his weapons and robots are built in his likeness, and his production logo is a crude depiction of his own face. He has designed and built several large airships, such as the Egg Carrier and a space station called the Death Egg (an obvious parody of the Death Star ). He has also designed and built countless robots, a number of which resemble either himself or his longtime rival, Sonic. Although Eggman's mental stability is questionable, he's quite willing to help save the world from threats greater than himself, but possibly only because he won't be able to take it over if it's destroyed. According to the Sonic Heroes booklet, he is "a romanticist, feminist, and self-professed gentleman" (though, as the booklet also mentions, this is usually very hard to see through his evil schemes).

Robotnik from Adventures of Sonic the Hedgehog In the 16-bit era, Dr. Eggman was very obese, but still seemed very athletic. This is seen in many of the games, as there is almost always a point where Sonic chases him, and Eggman seems to stay ahead just long enough to get to his next weapon or escape vehicle. He always wore a red shirt with black overall, and two yellow flys on his front. Despite his spherical body, he has incongruously thin legs. One thing that has not changed through the years is his fancy, three-pointed mustache. But almost every other aspect of his appearance has. In recent games, Sonic Adventure and up, he is somewhat taller, and is now more egg-shaped compared to the balloon shape he had before. His attire is much different as well, despite it still having a red-yellow-black theme. In most video games, the main villain is the final boss fought by the player. Eggman, by contrast, appears as the boss of almost every level in most of the Sonic games, in a different machine each time.

Creations
Dr. Eggman in his Eggmobile

Eggmobile / Egg-O-Matic
As the vastness of Dr. Eggman's mechanical empire requires omnipresence to maintain a tight control, Eggman's Mobile (also known as the Eggmobile in the Sonic Adventure Sound Test, or the Egg-O-Matic in comics and cartoons) allows the Doctor to cruise around his factories in a speedy fashion. The small hovering craft has a very distinct egg-like shape with a small circular lamp on the front, and can be fitted with a seemingly endless amount of gadgetry, as well as converted into a more mech-like walker (two kinds of which highly resemble Imperial Walkers from Star Wars; one extremely resembles an AT-AT Walker, and is even called the Egg Walker) configuration with two hoverjet-equipped legs and weaponry including a low-speed cannon, a vulcan cannon and a missile launcher using a laser designator, it can also be equipped with heat-seeking SM-42 rocket launcher box, a powerful laser and the main missile launcher can be upgraded to shoot various rockets in a burst mode. Not only does the doctor use it as his mode of transportation but also as the cockpit of even larger doomsday devices. It's been know to convert into the axle of a ball and chain, a drill machine, and an odd flying eggplant shape. When these are destroyed, Eggman and his mobile will inevitably emerge relatively unscathed from the wreckage. It was this versatility that made it Dr. Eggman's vehicle of choice doing almost every battle in the series of Sonic video games. Eggman also has a similar vehicle that is more suited for battle. It is red as opposed to gray, and can repeatedly fire small rockets and drop bombs, as well as recover from attacks. This vehicle was seen only in Sonic Battle.

Badniks
Main article: Badnik "Badniks" was a term used to describe Robotnik's robot henchmen in early North American and European releases of the games.

E-Series
main article: E-Series The doctor's Egg-shaped robots have evolved throughout the series, first appearing in Sonic & Knuckles as the simple but numerous Egg-Bots or Egg-Robos. Soon after, Eggman followed up with more lethal incarnations that could think for themselves — the E-Series. Notable E-Series robots include E-100 "ZERO", E-101 Beta, E-102 Gamma, E-103 Delta, E-104 Epsilon, E-105 Zeta, E-121 Phi and E-123 Omega. In Sonic Heroes, Dr. Eggman apparently scrapped the animal-powered Badnik designs and, in their place, started developing Eggman-resembling grunts simply called Eggpawns. These had no animals inside and had rather poor intelligence, but they usually attacked in groups to make up for their lack of fighting power. Notably, they had greater stamina than past robot designs, as it took several hits to defeat them (as opposed to the previous models, who would usually be destroyed after one single hit). Eggman continues to use the Eggpawn model in Shadow the Hedgehog and Sonic Rush and may do the same in future games. See E-Series for more robots. In a sonics gameplay movie of sonic next gen sonic is seen homing attacking a egg pawn.

Others
Phi is a grey robot that looks remarkably like Emerl (Sonic Battle). There are 14 versions of him who all have different attacks (i.e. Phi #1 has Sonic's attacks while Phi #14 has Rouge's attacks). By the end of the game they have all been destroyed by Emerl. Guard Robos are Gray versions of E-102 Gamma, that were used to help Eggman make a profit, and explode on destruction. Rouge bought one to train Emerl with. In Sonic Riders, there are a new kind of robots called "E-10000". The two that are playable are the red "E-10000R" and the green "E-10000G". E-10000R is said to have the same engine as Metal Sonic.

Sonic robots
Main article: Metal Sonic Eggman, aside from the huge mechas and robots he builds in his likeness, also seems to enjoy trying to make robot Sonic knock-offs to pit against his rival. His first attempt was called the Roller, which was in the Spring Yard Zone of Sonic 1. They were a bit of a failure since they could only roll and Sonic can destroy them very easily. A robot named Silver Sonic (or Mecha Sonic) was his second attempt and was featured as the penultimate boss of Sonic the Hedgehog 2. This robot was an improvement over the Roller, but was still a dismal failure due to the fact that it was the total opposite of the original — slow, unwieldy, big, and stupid (in fact, Robotnik had to manually control it from a distance). In Sonic and Knuckles it was later upgraded with a much sleeker and more aggressive design, and it was also faster and able to fly. It returns as the boss of the Sky Sanctuary Zone in three different occasions. Sonic thought he had defeated it in the Sky Sanctuary of Angel Island, but it later reappeared and fought Knuckles. Mecha Sonic got hold of the Master Emerald and attacked Knuckles as Super Mecha Sonic, but, not being able to absorb the Emerald into its being, needed to constantly recharge his power. Knuckles soon managed to defeat it during these recharge lapses. Mecha Sonic, (strangely called Silver Sonic in the English manual) reappeared in Sonic the Hedgehog 2 (8-bit) as the second-to-final boss. This version was much faster than the original Silver Sonic from Sonic the Hedgehog 2, and would often roll into a ball and bounce around the field at high speeds. It also had a mechanical claw which it would use to temporarily stun Sonic. Eggman's most successful and persistent Sonic copy to date is Metal Sonic. He made his first appearance in Sonic CD to capture Amy Rose and race Sonic on the Stardust Speedway. Unlike the previous attempts, Metal Sonic was built with a sleek form built for speed. Metal Sonic, after his first defeat at the hands of Sonic, went on to harass the Chaotix, where he was able to turn into a huge, red, Godzilla-sized version of himself via the Chaos Rings and wreak havoc for a while, until he was defeated once again. Since then, he's been seen around participating in any kind of racing or fighting Sonic joins in, in hopes of defeating him one day. In Sonic Heroes, Metal Sonic impersonates Eggman in an attempt to copy Sonic, Tails, Knuckles, Shadow, Chocola and Froggy's DNA and finally put an end to his rivalry with Sonic, once and for all. Eggman has also built robot copies of other characters, such as Metal Knuckles, the Tails Doll, and the Shadow Androids. He has even created robotic copies of himself called Eggrobos.

Eggman's explosives
Eggman has used many explosives. A common example is a large bomb bearing his image, with varying power levels. Eggman is also known to use kamikaze robots, such as the Bomb badniks. One of his most compacted yet destructive explosive ever created is the Eggman Bombom. The Eggman Bombom was used in Sonic Adventure 2 to destroy Prison Island; they were planted by Shadow so the island would explode after Rouge got out with the Chaos Emeralds.

Eggman's screen
When Eggman cannot be in person and needs to communicate from a distance, he will send a two-way communication device with video screen and hovering capabilities. Eggman used this device in Shadow the Hedgehog to communicate with Shadow on various mission objectives. Eggman bases

Dr. Eggman as seen in Sonic Adventure 2. Throughout the games Dr. Eggman has had several bases to plan his evil schemes. Most of them were inevitably destroyed by Sonic and his allies, much to Eggman's dismay. Yet, in each game he has a new base up and running, filled to the brim with traps, his latest creations, and the Doctor himself. Dr. Eggman's bases tend to follow certain themes, often providing making them very threatening environments. Space bases focus on gravity manipulation and transports that take control of Sonic, creating a sense of being helpless and lost in an unstoppable war machine. Aerial bases brim with mounted weapons and paths are often on the outside, creating significant risk of a falling death. Ground bases usually focus on manufacturing hazards like crushing pistons, molten metal, and high voltage. Death Egg and the "Death Egg Saga" The Death Egg is a tribute to the Death Star, a space station in the Star Wars series, with enormous energy cannon 'eyes' and a huge metal moustache. The "Death Egg Saga" refers to the period of time within the games that takes place from the final level of Sonic 2 all the way to the end of Sonic 3 & Knuckles, which is listed below: The Death Egg made its first appearance in Sonic the Hedgehog 2 (Sega Mega Drive/Genesis, 1992), where it was a space station, which was the final level of the game, containing only the final two bosses. After Sonic defeated Dr. Eggman, the Death Egg crash-landed onto the Angel Island. In Sonic 3, Eggman repaired the Death Egg and was about to launch it when Sonic arrived in the Launch Base Zone. Sonic quickly boarded the giant space station and defeated Eggman, causing the space station's destruction. In Sonic & Knuckles (or Sonic 3 & Knuckles), the event is changed; instead of being destroyed, the Death Egg falls out of the sky and lands in the volcano of Angel Island (otherwise known as the Floating Island) where Lava Reef Zone and Hidden Palace Zone were situated. In the end of the game, the Death Egg was launched again, using the power of the stolen Master Emerald. It then became a two-Act Zone playable by Sonic and/or Tails containing an Act 1 boss and three Act 2 bosses (including Tails' final boss). After defeating the final boss, the Death Egg was finally and completely destroyed. The following versions of the Death Egg are not considered to be within the Death Egg Saga: In Sonic the Fighters (Sonic Championship in North America) The Death Egg was rebuilt and dubbed the Death Egg II. It has a similar design to the original, but it has many rooms sticking out of the sides. After the player defeats its guardian, Metal Sonic, a self-destruction timer starts. After that, the player fights Eggman on a time limit. After defeating him, the Death Egg II is destroyed. In Sonic Battle, the Death Egg was going to be used to launch the Final Egg Blaster. Because the First two Death Egg bases were destroyed, it is reasonable to consider this the Death Egg III. When Eggman was defeated by Emerl, Emerl lost control and aimed the Final Egg Blaster at Earth, but Sonic defeated him to save the Earth, destroying Emerl in the process. It is unknown what happened to the Death Egg after Emerl's destruction. Death Egg-shaped space stations have also appeared as the end-levels of numerous Sonic games, including Cosmic Angel from Sonic Advance, Egg Utopia from Sonic Advance 2 and Dead Line from Sonic Rush. Scrap Brain (Sonic the Hedgehog) This was Eggman's first base ever seen in the games. It was placed on South Island, where it was filled with traps and robots. Metropolis (Sonic the Hedgehog 2) On Westside Island, Eggman used Metropolis to store his Wing Fortress, which he used to get away to the Death Egg after battling Sonic with a bunch of decoy Eggmans. In Sonic Heroes, Team Sonic, Dark, Rose, and Chaotix attempted to raid a city called Grand Metropolis, which Eggman took control of to steal and then sell a valuable energy source, but this is not the same city as on Westside Island. Flying fortresses Eggman has built numerous gigantic airships that are generally stages on their own. The first one to be seen was Sky Base, which was the final stage in the Sonic the Hedgehog game for the Game Gear and Master System- The Wing Fortress was a large brown airship that appeared in Sonic the Hedgehog 2. Eggman himself didn't fight Sonic here, but controlled a massive mobile ceiling laser to attempt to defeat Sonic. After Sonic defeated the laser, Eggman fled in a spaceship. The Wing Fortress is never actually destroyed during the course of the game, though its current status is unknown. The Flying Battery was another large flying fortress, very similar to Wing Fortress and possibly a modified version of it. This ship tries to kill Sonic with a bombing run in Angel Island Zone Act 2 in Sonic the Hedgehog 3, and is infiltrated by Sonic, and later Knuckles, in Sonic & Knuckles. Among the ship's internal defenses is a laser very similar to the one on the Wing Fortress.

Main article: Egg Carrier In Sonic Adventure, this massive airship was Eggman's main mode of transportation, and the site of many battles in the game. It had two modes, offensive and defensive, which had to be toggled back and forth periodically to access certain areas. An Egg Carrier look-a-like is seen in the new 'Sonic The Hedgehog' trailers various times. The Egg Fleet from Sonic Heroes was a huge fleet of flying battleships, led by the gigantic Final Fortress flagship. The Eggman Air Fleet from Shadow the Hedgehog was very similar to the Egg Fleet, but it was a different fleet. Space Colony ARK Main article: Space Colony ARK The Space Colony ARK was built by the doctor's grandfather, Professor Gerald Robotnik, and is very similar to the Death Egg as they both resemble the faces of Dr. Eggman (although the ARK was most likely crafted in the image of Gerald since he worked aboard the ARK and was one of Earth's top scientists). In Sonic Adventure 2, after Dr. Eggman released Shadow, Shadow invited him to the Space Colony where the black hedgehog proceded to tell the doctor about the Eclipse Cannon, and for the rest of the game, the Space Colony became Eggman's base of operations along side his Pyramid Base. However, after Sonic Adventure 2, it seemed that Eggman abandoned the ARK as his headquarters although he is seen on the ARK in one of the endings in Shadow the Hedgehog. Casino/Circus/Fun parks Quite often Eggman will use bases for his own amusement as well as for fighting Sonic, perhaps to reflect his childlike habits. Such bases often include slot machines, bumpers, pinball tables, shooting galleries and even bingo, all with various prizes. In Shadow the Hedgehog he seems more eager for Shadow to play his carnival games than to destroy the attacking GUN soldiers. Naming variations In various continuities, Eggman has been known by several names. In the Japanese games, he has always been known simply as "Dr. Eggman". In all games released in America and Europe up to Sonic Adventure, however, he was known as "Dr. Robotnik." Both names slipped occasionally in all regions. For example, Sonic the Hedgehog 2's Wing Fortress Zone and Sonic Drift 2 only had Eggman, Sonic Triple Trouble had Robotnik Winter Zone, and Sonic Jam had both names, as his profile was Robotnik and his statue next to Sonic said Eggman on it. On one episode of "The Adventures of Sonic the Hedgehog" Tails said "Yeah right EGGMAN!" to Robotnik. In Sonic Adventure, however, Sega began a process of getting the American and European gaming communities used to the Japanese name, Dr. Eggman. Initially, both names were used, and he referred to himself as Robotnik while others called him Eggman. In the sequel, Sonic Adventure 2, when he is announcing that he is taking over the world, he refers himself as Dr. Eggman, but in the background were the words "Robotnik Empire". In later games, and also in the English dub of Sonic X, the name Robotnik was dropped almost entirely, though it can still be found on some promotional material and in the French Sonic X dubbing. In the Japanese version of Sonic X his eyecatch profile card gives his name as: "ROBOTNIK (Dr. Eggman)". Also, most airboards in the game Sonic Riders were built by Robotnik Corp. General consensus[citation needed] now is that his real name is Ivo Robotnik (although the name "Ivo" is debatable) and his nickname or title is Eggman. This is supported by the surname of his grandfather, Gerald Robotnik and his cousin, Maria Robotnik. Contrasting stories Several Sonic continuities have emerged over the years, each presenting a different depiction of Eggman.

Dr. Robotnik/Dr. Eggman, as seen in Sonic CD. SegaSonic The "SegaSonic" continuity, as it is known by fans, was created by Sega of Japan for the original game, and is generally thought of as the "official" storyline. This is mainly because of the belief that, since Sonic the Hedgehog is a Japanese creation, the Japanese storyline should be the true one. It does not have a very extensive backstory for Dr. Eggman, only that he is a mad scientist who wants to conquer Earth, and attempts to do so by enslaving the animal population in robots and trying to find the Chaos Emeralds to harness their power. Despite the fact that the newer games have introduced a few other members of Eggman's family, his backstory is still largely unknown. The versions of Dr. Eggman seen in the animated series Sonic X, the Sonic OVA and the various Sonic Manga comics are, more or less, based off his SegaSonic incarnation. For more information regarding Eggman/Robotnik in other continuities, see alternate Robotnik incarnations. Modern day

Dr. Eggman in Sonic Riders. Following Sonic Adventure, Eggman's role has often been shared by the influence of other enemies. Additionally, Eggman has often been betrayed by his own allies and has sometimes even aided Sonic once his plans have spiralled out of control. In this way, Eggman was rarely the final boss of the post-SA games until recently, in which games like Sonic Rush and Sonic Riders have consecutively portrayed him as the main enemy, bringing the Doctor back to his roots as the primary antagonist of the series. Sega has explained that Eggman has actually become less evil and is now somewhat fond of Sonic, treating him as a worthy rival[2] rather than an enemy. He is more willing to help Sonic and his friends if a greater evil arrives. This idea has often been expressed in Sonic X also. •	In Sonic Adventure (later released as Sonic Adventure DX Director's Cut for the Gamecube), his ally throughout the game, Chaos, becomes Perfect Chaos after consuming all seven Chaos Emeralds, turns on him and destroys the Egg Carrier 2 shortly before the final battle, in which Super Sonic defeats Chaos as Eggman flees. •	In Sonic Adventure 2 (later released as Sonic Adventure 2: Battle), Eggman aids Sonic in order to save himself and the Earth from destruction by stopping the ARK's crash course and the Biolizard, the creation of his grandfather. He is also one of the six playable characters. •	In both Sonic Advance and Sonic Advance 2, Eggman is the main enemy throughout the game, and is completely in control of his plans. •	In Sonic Pinball Party, as well, Eggman is the main enemy. •	In Sonic Battle, Eggman intends to use the robot Emerl for his own purposes after he finds out what it can do, but Emerl joins Sonic instead. However, Emerl eventually malfunctions and self-destructs after a final battle with Sonic. •	In Sonic Heroes, Eggman is captured by his own creation, Metal Sonic, who then disguises himself as Eggman in order to complete his own evil plan. Eggman offers little aid, except with the Chaotix, which he directs via a walkie-talkie in order to stop Metal Sonic (these tasks include kidnapping Chao, so Metal Sonic can't copy Chaos' data, and destroying the dormant Shadow Androids). In the Last Story, however, he encourages the heroes to defeat Metal Sonic. In the last scene, he was chased by the Chaotix for sneaking away without paying them. •	In Sonic Advance 3, Eggman builds Gemerl, an Emerl look alike (Its still unknown if he was built from scratch or from Emerls remains), but Gemerl turns on Eggman, who teams up with Super Sonic to defeat Gemerl. •	In Shadow the Hedgehog, Eggman is a featured character but can be either ally or enemy based upon the player's actions. Although he commits some minor villainous acts (such as stealing rings from around the world as Tails mentions in Circus Park), his main goal in the game is actually to protect the world from Black Arms so that the planet he hopes to take over won't be destroyed. He is, in addition, the only ally who is both a Hero and Dark character, the former only in stages where both he and Black Arms are involved. His status as a comic relief and secondary villain are made far more obvious, the former due to Mike Pollock's take on the character and the latter due to the fact that the Black Arms are clearly shown as being the game's main villains right at the start. In three of the game's endings, it is implied that Shadow kills Eggman. However, since he is present during the Last Story and future games these are considered non-canon. When Eggman aids the player, he appears as a floating screen with his face on it. Eggman aids Shadow in the dark missions of Cryptic Castle, Circus Park, Iron Jungle, and Lava Shelter, and the hero mission of Sky Troops.

Eggman Nega •	In Sonic Rush, Eggman encounters another version of himself from another dimension, Eggman Nega. Eggman Nega is crueler and more calculating, however the two work side by side to achieve their unanimous goal of creating a multi-dimensional Eggmanland. This is one of Eggman's rare modern-day appearances as the final enemy, in which he is not overthrown by a greater threat at the last minute due to betrayal (Chaos, Metal Sonic, Gemerl) or outside forces (Biolizard, Black Arms, Emerl). •	Dr. Eggman also plays a part in Sonic Riders. He hires the Babylon Rogues to race against Sonic and friends in a racing tournament. He actually was the one to betray someone in this game, as he steals the Control Box from the Babylon Rogues to get the treasure of Babylon, but only to find the treasure is "A piece of cloth?". Eggman is also an active competitor in this tournament, and is one of the relatively few racers to not use a hoverboard, as he uses an air bike instead. In a groundbreaking move, this is the first storyline in which Eggman canonically wins, accomplishing his goal of finding the treasure- It's mere comic irony that he's disappointed with the rewards of his first victory in the series, and the Doctor faints from shock as a result.

Eggman, in the 15th anniversary Sonic the Hedgehog title for the PS3/Xbox 360 •	Eggman will appear in the new Sonic the Hedgehog (2006 game), but his look has radically changed (he bears a startling resemblance to Gerald Robotnik, his grandfather.) In effect, he is much less obese (however, a gut is still visible underneath his clothing), and looks more like an actual human would, but still wears his post-Adventure outfit, sans the goggles, and sports his trademark mustache. Whether his personality is changed, in addition to his general look, remains to be seen, but he remains the primary villain. Whether he will be upstaged by another villain or not remains to be seen. •	It has been said by SEGA that Eggman will not be the primary villain in the Wii-exclusive title Sonic and the Secret of the Rings. Playable appearances Eggman, although the villain of the series, has been playable in several Sonic games. •	In Sonic Drift, he's one of the four selectable racers. His ability is tossing mines. •	In Sonic Drift 2, he's one of eight selectable racers, and can still toss mines. •	In Sonic R, he's the first unlockable racer, unlocked by clearing all five stages in first place. Eggman can shoot missiles at opponents for ten rings. •	In Sonic Adventure 2 (and its GameCube port), Eggman is one of the 6 playable characters in Story Mode, and has five stages (six including his part in Cannon's Core) and three boss battles (Tails, the Egg Golem and Tails again). He is also playable in the Shooting Battle and Kart Racing minigames, as well as in the Chao Garden. •	In Sonic Advance 3, the player plays as the team of Super Sonic and Eggman to defeat the extra boss, Gemerl. He is playable in multiplayer mode for 2P in Nonaggression. •	In Sonic Riders, Eggman is a power type racer, unlocked by clearing the Babylon story mode. •	In Sonic the Fighters, Eggman is a playable character if the game is hacked. He appears in a robot suit (though there is another, unused version of him in his UFO), but the game freezes after defeating Metal Sonic with Eggman. [citation needed] •	Eggman is also playable in Sonic Battle, but only with a game enhancing device so far. •	In Virtua Striker 3, Eggman is part of the hidden F.C. Sonic team, and while he defaults to goalie, can be switched out to another position, and thusly playable. Theme songs •	In the SegaWorld stage show "Sonic Live in Sydney", Robotnik has a song called "Give Me Chaos." •	In AoStH, a whimsical harpsichord played a series of iconic notes for scenes depicting Robotnik. The episode "Sonic's Song" also had Robotnik writing and singing his own theme song with Scratch and Grounder singing backup. •	In the first season of SatAM, Michael Tavera composed an orchestral piece with sweeping strings and a harsh piano to represent the dictator. •	In Sonic X a song simply titled "Dr. Eggman" (including several variants depending on the content of the scene; comedy or action) is used. This theme is remixed for Bokkun's theme. These songs were removed from the English version by 4Kids, who added their own music. •	In Sonic Adventure, Eggman's theme song is simply named "Theme of Dr. Eggman", and is instrumental. •	In Sonic Adventure 2, it is "E.G.G.M.A.N." by Paul Shortino. This song has lyrics. •	In Shadow the Hedgehog, "E.G.G.M.A.N. Doc Robeatnix Mix" (Title only given in the Shadow "Lost and Found" album, previously only known as "Event 3") is his theme. It's a remix of "E.G.G.M.A.N." from "Sonic Adventure 2". This is the only vocal song in the game not pertaining to Shadow. •	In Sonic Riders, Eggman's theme is a guitar riff called "Eggman Again!" •	In the American release of Sonic CD, Ivo Robotnik has an odd boss theme that somehow resembles the song "Who Are You?" song from Final Fantasy VII. In the original Japanese and European release of Sonic CD, however, an Engrish rap number written by Naofumi Hayata is used as his theme instead. •	One of Eggman's theme songs had the line "I am the eggman" in it which is possibly a reference to the Beatles' song "I Am The Walrus" which had an identical line. Voice actors

Dr. Eggman as seen on Sonic X, holding a Chaos Emerald. Eggman has been the primary antagonist in all of Sonic's incarnations, and throughout all of them, a number of voice actors have played him: •	Adventures of Sonic the Hedgehog - Long John Baldry (died 7/21/05) •	Sonic the Hedgehog (SatAM) - Jim Cummings •	Sonic Underground (US, France) - Gary Chalk •	Sonic the Hedgehog (Anime, Japan) - Edwin Neal •	Video Game series (Sonic Adventure onward) - Chikao Otsuka (Japan), Deem Bristow (US; died 1/15/05 [3]) Mike Pollock (US; 2005 onwards) •	Sonic X - Chikao Otsuka (Japan), Mike Pollock (US) Other information •	Eggman was one of the suggestions for the hero in the original game. However, the blue hedgehog won the in-house design contest and Eggman had to settle for villain. •	Eggman's name may have been inspired by Beatles's "I am the Walrus" (I am the eggman, they are the eggmen). It's possible his current outfit may have been partially inspired by the Beatles' Sgt. Pepper costumes. His facial appearance was likely inspired[4] by U.S. president Theodore Roosevelt. •	Ivo, his first name in the former western canon, is reverse of "Ovi", which is "Egg" in the Greek language. Also, one of his comic counterparts was named "Ovi Kintobor" before an accident involving Sonic and a rotten egg turned him into Ivo Robotnik (ironically, Ovi also was an ally of Sonic's who gave Sonic his supershoes). •	In SatAM and the Archie Comic he was born as Julian Kintobor. In Fleetway he was Ovi Kintobor. His name Robotnik was apparently adopted when his last name was said or written backwards. •	There was a hoax that in Sonic Heroes a team known as "Team Metal Sonic" could be unlocked consisting of Dr. Eggman, Metal Sonic and Chaos.

References and notes
1.	^ [5] Absolute Anime.com. Dr. Eggman is immature and thinks of Sonic as a rival. Retrieved on November 23, 2006. 2.	^ [6] GHZ.com. Dr. Eggman appearance was inspired by Theodore Roosevelt.. Retrieved on November 24, 2006. External links Wikiquote has a collection of quotations related to: Doctor Eggman •	Doctor Robotnik's computer A Dr. Eggman/Robotnik fansite that updates frequently. •	Factbites Several facts about Dr. Eggman.