Eggrobo (エッグロボ Eggurobo?), also spelled as EggRobo or Egg Robo, is a recurring character in the Sonic the Hedgehog series which debuted in Sonic & Knuckles. They are mass-produced Badnik models resembling their creator Dr. Eggman. In addition to being powerful soldiers on the battlefield, the Eggrobos are smart-bots designed to carry out tasks in Eggman's stead, making them a crown jewel in Eggman's attack force.