Doug Plankton is one of Sheldon J. Plankton's cousins. He only appears in the episode, "Plankton's Army."


He is a hillbilly like the rest of Plankton's cousins.

Villainous role

He helps Sheldon try to steal the Krabby Patty Secret Formula.


Relationship with Sheldon

He seems to have a pretty good relationship with Sheldon.


  • The name could be reference to the first name of Sheldon's voice actor, Doug Lawrence.

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