Karen Plankton

Karen Plankton is one of the two main antagonists (alongside Plankton) of SpongeBob SquarePants. She is a waterproof supercomputer who lives in the Chum Bucket laboratory. She is Plankton's wife and sidekick to steal the secret formula of the Krabby Patty. Karen's name is based on Hillenburg's wife Karen Hillenburg.

Karen Plankton
'SpongeBob SquarePants' character
First appearance	Plankton! (July 31, 1999)
Portrayed by	Jill Talley
Information
Species	Computer
Gender	female
Occupation	Fry cook
Relatives	Husband: Sheldon J. Plankton Son: Chip Plankton II Pet: Spot

Karen first appeared in the episode "Plankton!" along with Plankton on July 31, 1999.