Spongebob SquarePants Characters
Sheldon J. Plankton
Plankton Fear Of A Krabby Patty.
Character's Information
Gender: Male
Skin Color: Deep Green
Eye Color: Yellow and red
Height: 2 inches (with his antennas lowered)
Weight: 1 mg
Interests: Crushing his enemies

Feeding people chum
Ruining Mr. Krabs' business
Trying to rule the World and Bikini Bottom
Attempting to steal the Krabby Patty Formula
Making evil robots to kill Mr. Krabs and destroy the Krusty Krab
Holding up something better than Mr. Krabs had

Cartoon's Information
First appearance: "Plankton!"
Portrayer: Mr. Lawrence
Sheldon J. Plankton (b. November 30, 1942) is Mr. Krabs' arch nemesis and the main villain in the SpongeBob SquarePants television series. He was the main antagonist in the movie, "The Great Patty Caper", "SpongeBob's Last Stand", "Truth or Square", "Atlantis SquarePantis", and "Frozen Face Off" and a protagonist villain in many episodes he leads/really focusing, to him and non-villain in episodes when he wasn't portrayed as an antagonist/villain and was served as a protagonist of "The Algae's Always Greener".

He operates a struggling restaurant called the Chum Bucket, located directly across the street from the Krusty Krab. His primary goal in the cartoon is to steal the Krabby Patty secret formula and put Mr. Krabs out of business. Plankton succeeds at stealing the recipe in the movie, but his goal of world domination is thwarted by SpongeBob. In "Friend or Foe," it was revealed that Mr. Krabs and Plankton were once were best friends, but a dispute over the Krabby Patty recipe ended their friendship.


Plankton has spent a long period of time trying to destroy the Krusty Krab by stealing the Krabby Patty formula, a franchise owned and operated by Mr. Krabs. He is married to a computer named Karen. He always comes short of getting the Krabby Patty formula.