Sonic the Hedgehog SD Doctor Eggman Sitting 7-Inch Plush: Oh no! It's Doctor Ivo Robotnik! Better known as Doctor Eggman, the mad scientist antagonist from the video game is a good deal cuter and more manageable in the form of this Sonic the Hedgehog SD Doctor Eggman Sitting 7-Inch Plush. Maybe he just needs a little love. Take him home and give him a hug today! Ages 15 & up