Karen (Spongebob)

Karen is one of the ten main characters and the secondary antagonist of the SpongeBob SquarePants franchise. She is a waterproof supercomputer who lives in the Chum Bucket laboratory. She is Plankton's wife and sidekick who supplies him with evil plans to steal the Krabby Patty formula. Karen and Plankton both debut in the episode "Plankton!." Karen is the main antagonist of Plankton: The Movie.