Sheldon J. Plankton

Sheldon J. Plankton Is Not A Character From Canimals, But Makes Several Appearances, He Is The Main Antagonist In His Debut, Final Ozatil.

Personally

Sheldon J. Plankton Is Pure Evil, A Mean, Bad, Immature Sea Animal, Who Is Eager To Get The Krabby Patty Secret Formula, But He Never Gets It

Appearances

Final Ozatil (Debut)

Uly's Diet Disorder (He Is Seen Talking To Uly)

Canimals In Bikini Bottom (Minor)