The Grimenator is a large, gray robot with yellow and red eyes. It also has mid-dark red arms, with two large prongs coming out of its head.
Role in comic
He fires SpongeBob, who accidentally squirts sauce on both of them. They are eaten by the Grimenator and find Plankton inside it, commanding the Grimenator to get the Krabby Patty secret formula. Mr. Krabs sprays sauce on Plankton and the Grimenator rips itself up as Plankton walks away.