Karen Plankton is a highly advanced android who likes helpingKaren Plankton is a highly advanced android who likes helping her husband with his plans for world domination. She runs a restaurant called the Chum Bucket with her husband, Sheldon J. Plankton. The restaurant isn't doing very well. Plankton built Karen. They're very in love, and Karen often helps him out with his evil schemes. Karen is sassy and very intelligent, and behind closed doors she’s a huge dork with her husband.