Doctor Eggman (Sonic X)

{{Character
 * image = [[Image:Eggman.jpg]]
 * likes = robots, pretty much anyone who will help him take over the world
 * dislikes = Sonic (de facto archenemy)
 * skills = IQ of 300

Dr. Eggman was born on Earth, but got somehow flung into Sonic's world. By mistake, he and Sonic and co. arrive there, meeting among others Chris Thorndyke. Eventually, they had to go back to their woud because the alternate universes containing their planets were fusing together, and would only stop if Sonic and co. leave. In the third seasonhis role as the main villain is taken over by the Metarex.