This rotund man with a red nose, a bald head, and a very thick mustache is called Doctor Ivo Robotnik, but he is better known under the pseudonym Doctor Eggman. He is the sworn enemy of Sonic the Hedgehog and an evil scientist who dreams of taking over the world and creating his empire. Dr. Eggman is a very narcissistic, hot-tempered, pompous, and selfish villain who constantly builds robots, war machines, and other technological devices. The Sonic cursor and game pointer with Doctor Eggman!