Doctor Ivo Robotnik (ロボトニック Robotonikku?),[3][4] also known by his alias Doctor Eggman (ドクター・エッグマン Dokutā Egguman?),[5] is a fictional video game character, the main antagonist of the Sonic the Hedgehog series created by Sega. Dr. Eggman is a rotund mad scientist with an IQ of 300, who plans to conquer the world in order to build his Eggman Empire, and is the archenemy of Sonic the Hedgehog. His original character designer was Naoto Ōshima, and while he has gone through several large appearance changes throughout the series, his in-game designs retain several basic characteristics, such as his egg-shaped body, red clothing and large mustache. Most of the time, Dr. Eggman is portrayed as horribly immature: he tends to throw temper tantrums when he fails or is offended, despite his incredible intellect and skilled mind. He has appeared in almost every Sonic the Hedgehog video game since his first appearance in the 1991 title Sonic the Hedgehog, and is also a prominent character in other Sonic media, including comics, novels, animated TV series, and an Original video animation.

Doctor Eggman

aka Doctor Ivo Robotnik


Doctor Ivo "Eggman" Robotnik[1] as seen in Sonic Chronicles: The Dark Brotherhood

Series Sonic the Hedgehog series
First game Sonic the Hedgehog (1991)
Created by Naoto Ōshima
Voiced by (English) Video games

Deem Bristow (1998-2004; deceased) Mike Pollock (2005-present) Cartoons Long John Baldry (AoStH; deceased) Jim Cummings (SatAM and AoSTH pilot episode) Gary Chalk (Underground) Anime Edwin Neal (Sonic OVA) Mike Pollock (Sonic X)

Voiced by (Japanese) Video games

Masaharu Sato (1993) Chikao Ōtsuka (1998-present) Anime Junpei Takiguchi (Sonic OVA) Chikao Ōtsuka (Sonic X)

Fictional profile
Nickname Eggman[2]
Species Human
Likes Mechas,[2] trying to take over the world , eggs , getting his own way
Skills IQ of 300[2]

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