Doctor Eggman (ドクター・エッグマン Dokutā Egguman) is the main antagonist of the Sonic the Hedgehog serialized manga published by Shogakukan. He is Sonic the Hedgehog's long time egg-shaped arch nemesis, who creates many zany schemes to capture Sonic and make him his lackey as part of his plans to take over the world. Eggman is also known to be a master of disguise and has an alternate persona called "Dogman", policeman of Hedgehog Town. He uses his alternate persona as part of his plans to capture or defeat Sonic.