Metal Robotnik (ブラックエッグマン Burakku Egguman?, lit. "Black Eggman") is a mech that appears in Sonic the Hedgehog: The Movie. It was a giant robotic version of Robotnik, created by the evil doctor to destroy Sonic and Tails. Robotnik claimed that Metal Robotnik has conquered his peaceful hometown, Robotropolis, in order to lure Sonic to a trap.