Plankton and Karen
Plankton and Karen Plankton are fictional characters in the Nickelodeon animated television series "SpongeBob SquarePants" . 
<triplet> Plankton and Karen <subj> SpongeBob SquarePants <obj> present in work <triplet> SpongeBob SquarePants <subj> Nickelodeon <obj> original broadcaster <subj> animated television series <obj> instance of