"Muhahahaha! Guess what Sonic Heroes...? I've finally developed the ultimate weapon! In three days, I will conquer the world. Think you can stop me? Ahahahaha!"
— Doctor Robotnik (Sonic Heroes)
Doctor Robotnik or "Eggman" is the villain of the Sonic The Hedgehog Series. His dream is one day taking over the world, but his arch-enemy Sonic The Hedgehog, always ruins his plans, causing most of his schemes to fail.