N. Unofficial name

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Plankton SquarePants
Aliases: Sheldon J. Plankton
Physical appearance
Gender: Male
Color: Yellow
Eye color: Blue
Classification: Copepod + Sponge
Series information
Appearance: "The Inside Job"
Portrayer: Doug Lawrence
List of characters

Plankton SquarePants is an alter-ego of Plankton. He appears only in the episode "The Inside Job."


Plankton SquarePants looks like SpongeBob, but is shaped like Plankton. He has Plankton's voice but has SpongeBob's thoughts and personality.


He formed when Plankton inserted his suction tool that Karen provided him into SpongeBob's heart. Plankton was being arrogant about his success, leading him to forget about his mission, and thus lead to him turning into Plankton SquarePants.

Octavius rex2
"Octavius Rex, a.k.a. long, tan, and handsome!"
This article is a character stub. You can help Encyclopedia SpongeBobia by expanding it.

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