Sheldon J. Plankton
General Information
Occupation(s) Chum Bucket coo
Residence Chum Bucket
Friends Karen Plankton (on & off)
Zeo LightningStrike
Family Karen Plankton (wife)
Love Interest Karen Plankton
First appearance "WoodShop"
Fanon user ZeoSpark

Sheldon J. Plankton (known simply as Plankton) is one of the main antagonists of the series SpongeBob & Super Mario Crossover. He lives at the Chum Bucket with Karen Plankton and eventually Zeo LightningStrike.

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