Bend-Ems? bendable figure Doctor Ivo Robotnik, known as Doctor Eggman, is the main antagonist of the series. He is a self-proclaimed human scientist with an amazing IQ of 300, with many talents. Unfortunately the doctor hatches plots to setablish his Eggman Empire around the world with the ambition of building his ideal city,Eggmanland. Sonic and his friends always find a way to thwart his nefarious plans.