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The synopsis of the infamous mad scientist Dr. Eggman, the main villain of the Sonic the Hedgehog videogame franchise.

Early Games

Originally known exclusively as Dr. Ivo Robotnik in the localizations outside of Japan, Dr. Eggman did not have much of a story going for him. In the first game, he was trying to conquer South Island and create his mechanical paradise known as Eggmanland and was eventually foiled by Sonic the Hedgehog himself.

In the second game of the main Genesis series, Sonic's friend Miles "Tails" Prowler joins the blue hedgehog to stop Robotnik, who has conquered West Island. Sonic eventually defeats Doctor Robotnik in a skirmish on the doctor's space station, the Death Egg. In GameGear version of Sonic the Hedgehog 2, the good doctor takes Tails for ransom, asking for 6 Chaos Emeralds in return.

In Sonic CD, Doctor Eggman arrives in a world with seven gems that can control time. Planning ahead, he created a robotic version of Sonic, dubbed Metal Sonic to keep him busy.

In the third game of the main series, after being damaged by Sonic, Eggman's space station, the Death Egg, started falling out of orbit. It lands on a floating island known as Angel Island. Here he meets Knuckles the Echidna, the last member of his tribe, who was responsible for guarding the Master Emerald, which kept the island levitating. Eggman tricks Knuckles into believing that Sonic would come to steal his emerald, and so makes him Sonic's enemy.

In Sonic and Knuckles expansion, after once again being damaged, the Death Egg falls onto Angel Island once again, and lands in a crater. As Doctor Robotnik prepares his Death Egg for a new launch, he drops a bomb on Knuckles, which infuriates him and sends on a search for Sonic.

Dr. eggman classic

Dr. Eggman's classic design.

The complete Sonic 3 & Knuckles ends with the heroes destroying Eggman's robotic creations on the Death Egg and taking the Master Emerald back from Robotnik during the Doomsday event.

Eggman has appeared as the main villain of nearly every other earlier Sonic title, such as SegaSonic the Hedgehog, Knuckles' Chaotix, Sonic Chaos, Sonic Triple Trouble, Sonic Labyrinth, Sonic the Fighters, Sonic 3D Blast, and Sonic R, with Sonic defeating Eggman at the end of each except SegaSonic the Hedgehog (in which there is no boss battle), Knuckles' Chaotix (in which Knuckles and his team fights him), and Sonic Labyrinth (in which one of Robotnik's creations is the final boss).

In Sonic Labyrinth, Eggman manages to sneak up to Sonic while he was sleeping and replaces his shoes with Slowdown shoes, ignoring the fact that he could have just destroyed Sonic right there.

In Sonic Advance, Eggman captures several of the animal population and has turned them into robots. Sonic and co. team up and head after Eggman to stop him from taking over the world. Sonic and his friends defeat Eggman in six zones and he flees as he releases a capsule of captured animals. In the fifth zone, he uses a robotic version of Knuckles to defeat Sonic and his friends, but they manage to defeat him. Sonic and his friends follow Eggman up into space by a rocket and confront him. Eggman tries to defeat Sonic and his friends with his machines, to no avail. Sonic turns into Super Sonic and chases Eggman, while Eggman throws balls at him until he manages to destroy his robot and return to Earth a few days later.

Later Games

Sonic Adventure games reveal some parts of Robotnik's backstory and unite the use of his alias "Eggman" (in English versions of Sonic Adventure) and his surname "Robotnik" (Sonic Adventure 2 features first official appearance of the name "Robotnik" in Japanese versions). Sonic Adventure 2 reveals that Eggman's cousin Maria and grandfather Professor Gerald Robotnik (who was Ivo's hero and idol) were killed by the government's agents. That act was shocking for Ivo Robotnik, turning him into the terrorist, trying to destroy the government and create his own ideal Eggman Empire (and, in later games, the industrial Eggmanland).

Sonic Heroes

Metal Sonic, now known as Neo Metal Sonic, rebels against Dr. Eggman and locks him on his own flagship. In the meantime, Metal Sonic impersonates the doctor, fighting the heroes and gathering data to upgrade his own battle capabilities. The real Doctor Eggman with his voice secretly high-pitched as a cover, coordinates Team Chaotix and waits for the detectives to free him and later unites all of the teams to fight Neo Metal Sonic, also reminding them about the power of Chaos Emeralds. After Neo Metal Sonic was defeated and reverted back to his original form, Eggman attempts to sneak away from paying Vector, only to spotted by him, forcing him to run away from the now angry Team Chaotix.

Shadow the Hedgehog

Eggman is the secondary antagonist and the Eggman Empire is one of the factions which Shadow the Hedgehog can ally himself with. Dr. Robotnik can either give missions to the hedgehog or fight him as a boss. Robotnik's forces take part in defending the planet from Black Doom's alien army and the doctor himself ends cheering on the protagonist in the canonical "Last Story" ending. During the final boss (if the player continues fighting for 8–10 minutes), Eggman reveals to everyone, including Shadow, that the Shadow they've been working with since Sonic Heroes is indeed the real and original Shadow. After Black Doom is defeated, Eggman tries to go take the Chaos Emeralds, only to be chased by Knuckles.

Sonic Riders

King Doc

King Doc

Eggman is the main antagonist and searches for the treasure in Babylon Garden, getting the Babylon Rogues to win the Chaos Emeralds for him, however, is disappointed at the treasure being a carpet (unaware that it was a magic carpet). In Sonic Riders: Zero Gravity, he attempts to use MeteorTech robots and Arks of the Cosmos to take over the world, but they turn on him, and are destroyed by Sonic. In Sonic Free Riders, he disguises himself as "King Doc" (also called himself "King Doc of Toreggmania") and hosts a Grand Prix, having reprogrammed Metal Sonic to race for him and collect data from Sonic, Amy, Shadow, and Jet's teams, however, Metal Sonic betrays him yet again and collects the data for himself, but loses the last race to Sonic.

Sonic Rush

Eggman teams up with, seemingly, his "counterpart" from the Sol Dimension, Dr. Eggman Nega, to create an Eggmanland beyond all dimensions by abusing the Chaos Emeralds and Sol Emeralds, however, they are defeated by Sonic and Blaze. In Sonic Rush Adventure, they team up again, this time in the Sol Dimension, creating Captain Whisker to find the Jeweled Scepter for them so they can use it to awaken the Power of Stars. After Whisker is destroyed, they steal it themselves, but are defeated by Sonic and Blaze. Nega tries to use "Planet-Buster Laser" to undo the creation, but is interrupted by Marine the Racoon and ends up destroying their robotic Egg Wizard. Eggman survives and soon returns to the Chaos dimension.

Sonic Rivals

Eggman is imprisoned in a card by Dr. Eggman Nega, who is revealed to be Ivo Robotnik's descendant from 200 years in the future, who hates the good doctor for disrupting their line of brilliant scientists with his failures and wants him removed from the timeline. However, Eggman is released by Shadow and Silver and helps them get to Nega's base. In Sonic Rivals 2, he reprograms Metal Sonic as a mindless servant and has him team up with Shadow to stop Eggman Nega from releasing the Ifrit and destroying the world.

Sonic Unleashed

Eggman is one of the main antagonists. He awakens Dark Gaia in an attempt to take over the world and defeat Sonic. After he is defeated by Sonic and puts Dark Gaia back together, he is knocked into the distance by Dark Gaia, who will not take orders from him. He survives, however, and is last seen chasing his robot assistant Orbot into the distance for calling him a loser. The most pathetic loser in all the world, whose past efforts were utterly wasted.

Sonic Colors

Dr. Eggman is again the main antagonist and has opened an intergalactic amusement park pretending to have redeemed himself, however, he was really harvesting thousands of aliens called Wisps for use in the creation of a mind-control device which he planned on using to take control over the entire universe. When it fails, Eggman (in anger) finally snaps and decides to focus completely on killing Sonic, and attacks him with the Egg Nega Wisp (also known as Nega Wisp Armor). After his defeat, he is left in the middle of space with his robot assistants Orbot and Cubot to move his Eggmobile. This appearance has marked the first time in a 3D Sonic game to feature Eggman as the final boss.

Sonic the Hedgehog 4

In Episode I, which chronologically takes place after Sonic the Hedgehog 3 & Knuckles, Doctor Robotnik starts a new scheme and improves on some of his earlier creations to stand a better chance against Sonic. However, this does not slow the hedgehog down and he eventually defeats Eggman during a showdown aboard the E.G.G. Station. In Episode II, it shows that the good doctor is not finished yet and begins construction of his Death Egg Mark II around Little Planet. Sonic and his pal Tails chase Eggman across various locations before making their way onto the Death Egg Mark II itself. Although Robotnik had Metal Sonic by his side, he was ultimately defeated again by the heroes at the heart of the Death Egg.

Sonic Generations

In a surprise reverse twist from past 3D games, Classic and Modern Dr. "Eggman" Robotnik are not only the main antagonists, but the final bosses of Sonic Generations. Eggman finds a monstrous, supernatural entity, that he converts into a cybernetic organism, called the Time Eater, which he uses in an attempt to alter time and erase his previous defeats. He kidnaps and teams up with his past self from Sonic the Hedgehog 2, however, both Eggmans are defeated, destroying the Time Eater in the process, resulting in them being trapped in limbo, unable to escape. During this they realize they will never beat Sonic, and plan to get a teaching degree if they ever get out.

Sonic Lost World

Eggman somehow escapes limbo (and obviously does not take up a teaching degree) and tries to harness the power of the Deadly Six to take over the world, using a magic conch to torture them into submission, but they rebel against him, since Sonic took Eggman's conch and kicked it into the distance, forcing him and Sonic to work together to defeat them. After the Deadly Six are defeated, Eggman (who had faked his death during his alliance with Sonic to power a machine) turns on Sonic revealing he had been using him to defeat (and possibly kill) the Deadly Six, effectively becoming the true main antagonist. He is defeated by Sonic shortly after, and falls off the Lost Hex, seemingly to his death (though neither Sonic or Tails care, but this may be because they knew where he would land). It is revealed in the end that he survived by falling into soft dirt, but lost half his mustache due to a rabbit mistaking it for a carrot stalk while he was unconscious.

Sonic Forces

After somehow obtaining a mysterious and powerful gemstone known as the Phantom Ruby, Doctor Eggman began plans to make his biggest bid for world domination yet. Fueled by his hatred for Sonic the Hedgehog, Eggman incorporated the Phantom Ruby’s power into a disgraced squad leader and eventually converted him into his latest weapon; the enigmatic warlord known as Infinite.

When his preparations were complete, Eggman commenced a worldwide assault and was soon confronted by Sonic and Tails. The doctor summons Infinite and duplicates of Sonic’s rivals to battle the blue hedgehog and seemingly succeed in destroying him. With Sonic finally gone, Eggman continued his invasion for six months with great success. Actually conquering 99% percent of the world with the remaining 1% still resisting his forces. While Eggman gave his enemies three more days to prepare for a final confrontation, The Resistance fought to weaken the Phantom Ruby's power, which was presumably being energized by the rebuilt Death Egg orbiting around the planet.

The Resistance eventually achieved in destroying the Death Egg with the help of Sonic the Hedgehog (who was revealed to be alive and well), a version of Sonic from an alternate dimension, and a remarkable new recruit usually referred to as the "Rookie". Unfortunately, a backup generator hidden under Metropolis apparently managed to give the Phantom Ruby enough power for Eggman to have Infinite conjured up a sun and throw it at his enemies. Not only destroying the Resistance but also all other opposition on the planet’s surface. However, the Rookie used a Phantom Ruby Prototype he/she found to make the sun disappear, saving their allies and making Eggman retreat to his base.

As the heroes tackled the dangers of his base, Doctor Eggman played his trump card by installing the Phantom Ruby into a Death Egg Robot which empowers (or drains) the ruby so much that it overclocks, making the robot even more powerful than Infinite. Despite all its power however, the robot was destroyed by the teamwork of both Sonic counterparts and the Rookie, thus foiling Doctor Eggman’s plans and releasing his gripping hold on the world.

In Cartoons

DrEgg

Dr. Robotnik and Cluck

There have been five animated TV series featuring Dr. Robotnik. The first was Adventures of Sonic the Hedgehog where he was voiced by Long John Baldry. Doctor Robotnik was the series' main antagonist, being portrayed as a villain who sought to rule the planet Mobius for no reason other than the fact that he appeared to be motivated by the act of being evil. While the threat he posed to Sonic the Hedgehog and Mobius varied from episode to episode, he was generally portrayed as incompetent and immature, with a tendency to mistreat his dimwitted Badnik sidekicks Scratch and Grounder, and, many times when Sonic foils his plans, utter the catchphrase "I hate that hedgehog!". The mannerisms and catchphrases of his television counterpart have become highly memetic. In 2 certain episodes of the entire series, he has achieved two alternate forms with superpowers, first was a Superman-esque supervillain called "Super Robotnik", and second was a muscular god-like giant known as "Supreme High Robotnik".
The Robotropolis

Robotropolis, the city of the future.

In the animated series Sonic the Hedgehog, Jim Cummings voiced Dr. Robotnik (whose real name was "Julian", which was original to the Sonic the Hedgehog series). This version of Dr. Robotnik was initially portrayed as a fearsome dictator, darker and more serious than his much sillier counterpart in Adventures of Sonic the Hedgehog, being the only incarnation to be Pure Evil. Doctor Robotnik rules over his evil industrial city known as Robotropolis, and he is accompanied and joined by his two most favored allies, his robotic pet Cluck who is the only one thing he treats with compassion, and his unscrupulous nephew Snively who desires power and his uncle's downfall. As season 2 was more lighthearted than season 1, Robotnik was later depicted as an evil but incompetent villain rather than the fierce, dangerous, and intimidating foe he was originally shown to be.

Sonic Underground featured Robotnik in a style similar to the previous Sonic the Hedgehog animated series, but much more lightheartedly; he maintains less control and he is far more bumbling. He was voiced by Gary Chalk.

In the 2-episode OVA Sonic the Hedgehog: The Movie, Dr. Eggman tells Sonic that he has been banished from Robotropolis (Eggmanland in the Japanese release) by a metallic doppelgänger of himself called Metal Robotnik (Black Eggman in the Japanese release). It is later revealed that the mecha was piloted by Eggman himself, in a scheme to lure Sonic into his base and copy his DNA for his new Hyper Metal Sonic robot. Eggman was voiced by the late Junpei Takiguchi in the Japanese version, and by Edwin Neal in the English dub.

In Sonic X, Doctor Eggman (which he is usually referred to in this series, though his real last name in-universe is Robotnik as in the games), along with other Sonic characters, including Sonic himself, are accidentally transported from their own world (Mobius) to Earth. In the final season, Eggman returns to his universe and reluctantly joins forces with Sonic and his friends to fight the new menace called the Metarex before continuing to try building his own evil empire in his attempts to achieve world domination. This incarnation is voiced by Chikao Ōtsuka in the Japanese version, and by Mike Pollock in the English version.

Dr. Eggman appears as the primary antagonist of the Sonic Boom animated series, with Mike Pollock reprising his voice role. Eggman's physical appearance was the most drastically changed of the cast, now appearing to have a buff upper body and wearing a militaristic uniform, as well as having a fully brown and smoother mustache. He also appears to be less intelligent and much more childish than his mainstream counterpart.

Doctor Eggman also makes a brief appearance in the anime Hi sCoool! SeHa Girl. In the middle of the Sega Hard Girls' first exam in Border Break, Eggman hacks into the game world and begins to wreak havoc until Sonic appears to aid the girls in stopping him.

In Comics

When the first Sonic the Hedgehog title was released in 1991, Sega of America developed an origin for Sonic the Hedgehog and Dr. Robotnik which diverged from the back-stories created in Japan by Sonic Team. In this back-story, set on the planet Mobius, Dr. Ivo Robotnik was originally a benevolent scientist named Dr. Ovi Kintobor ("Ivo Robotnik" with the names spelt backwards; also, "ovi" is the Latin prefix meaning "egg"), a friend to Sonic who helped to develop the hedgehog's super-speed. In the Sonic the Comic, Kintobor was merged with a rotten egg and transformed into Dr. Robotnik after tripping over a cable with a rotten egg in his hand and suffering a severe electric shock. The result created Dr. Ivo Robotnik, who instantly became the opposite of the good Dr. Kintobor and would occasionally use the word "egg" in some words, with an example being "eggsactly".

In the United States, a different storyline was featured in a 14-page promotional comic book written by Francis Mao and designed to promote the game. The origin story was also adopted by Sega Europe, featuring in British publications such as the book Stay Sonic and later the comic book series Sonic the Comic, which was published from 1993 until 2002. In Sonic the Comic, Dr. Robotnik was the dictatorial ruler of planet Mobius for most of the comic's first 100 issues, while Sonic also had access to an AI computer program based on the personality of Dr. Kintobor. Initially, Robotnik's appearance in Sonic the Comic matched that of the video games, but from issue 22 onwards the comic adopted his design from the Adventures of Sonic the Hedgehog cartoon show.

Also in 1993, Archie Comics began publishing its Sonic the Hedgehog comic book. The series is in a sense, a very loose continuation of ABC's Sonic the Hedgehog animated cartoon; as well as a mad scientist, Robotnik is portrayed as an oppressive and magisterial dictator who took control of Sonic's hometown during a coup d'etat. In recent years, the plot of the comic has changed to incorporate elements from the video games, with Robotnik being replaced by his more traditional videogame counterpart. Eventually, legal disputes between Archie and former writers led to the comic series receiving a soft reboot during a crossover arc with Archie's Mega Man comics called When Worlds Collide. In this story, Dr. Ivo "Eggman" Robotnik teams up with Mega Man's archenemy Dr. Albert W. Wily and unleashes a phenomenon called the Super Genesis Wave that can permanently alter the reality of their worlds. Sonic tries to use the wave to revert changes the villains made to his world but Eggman attacks him while doing so and causes their world's history to been rewritten. From issue 252 onward, the comic series takes place in a new continuity that follows the video game lore more closely but retains comic exclusive elements and characters from the animated cartoon.

In Movies

Youtube actor DJ Hazard portrayed Dr. Robotnik in the 2013 short fan-film Sonic by Eddie Lebron. This version is more in line with his darker SatAM counterpart, being an unsympathetic, ruthless, cold, and brutal tyrant and holding a disgust towards Mobians, or "South Islanders", as they are called in the fan film. Parallel to SatAM and Archie Comics, he started off as Dr. Julian Kintobor, before deciding to become a totalitarian dictator by establishing his Eggman Empire and set out to conquer all of Mobius.

Eggman makes a cameo in Disney's Wreck-it Ralph and its sequel as a member of a villain's support group called Bad-Anon. Here he does not have a speaking role.

2020 Film

LAMovieEggman

Eggman as he appears in the 2020 film.

Main article: Dr. Robotnik (2020 Film)

Eggman/Robotnik appears as the main villain of the 2020 Sonic the Hedgehog film, portrayed by actor Jim Carrey. This version of the character is depicted as an egocentric scientist hired by the government to help them capture and study Sonic the Hedgehog, who secretly plots to harness Sonic's power for himself to take over the world.

In Music

Eggman's themes over the years

Eggman's themes over the years

Over the years Dr. Robotnik had many musical pieces associated with him. Most of these were boss music in the classics, however, since the Sonic Adventure era the good doctor started getting distinct themes even outside of boss fights, such as Paul Shortino's "E.G.G.M.A.N." or the dark "Theme of Dr. Eggman" leitmotif which had been used since the 2006's Sonic the Hedgehog. "E.G.G.M.A.N." is considered his official and main theme, while "Theme of Dr. Eggman" is considered to be a warning/danger theme.

In Other Games

Super Smash Bros.

Dr. Eggman appears in Super Smash Bros. Brawl and Super Smash Bros. 4 as obtainable trophies from the Sonic the Hedgehog series. In Brawl, his trophy can be obtained by collecting 500 stickers, while in SSB4, his trophy can be obtained at random. In Super Smash Bros. Ultimate, Eggman appears as a grab-type legendary primary spirit. His ability boosts the effects of all electric attacks. He can be summoned using the cores of Dr. Crygor, Tamagon, Chansey, and any two Grab-type. He can also be fought in a spirit battle, which is against Roy Koopa and a metal Sonic the Hedgehog, with shooting items pulled towards the enemy and bob-ombs falling from the sky.

SEGA Heroes

Dr. Eggman appears in SEGA Heroes as a currently unplayable boss, using two different Egg Mobile's (One from the first Sonic the Hedgehog, the other from Sonic Battle.) and Flame Mobile from Sonic the Hedgehog 3.

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