Dr. Eggman is the villain of the Sonic the Hedgehog series. With his technological cunning and desire for global domination, he tries to conquer the planet!... until Sonic & co. step in to save the day once again. :D
Eggman's achievements include, but are not limited to:
Eggman is featured in Sonic games, Sonic comics (Archie/Fleetway), and Sonic animation (Sonic SatAM, Adventures of Sonic the Hedgehog, Sonic Anime, Sonic X). For more info about Eggman and his forms/appearances, check out the UERF.
The name "Eggmanland" comes from 2 places:
A fanlisting is "a place for all fans of a particular show, movie, actor, actress, singer, etc. to come together and build the biggest listing of people from all around the world who are fans of that subject." If you're a fan of Dr. Eggman, please join!