Sheldon J. Plankton
200px-EP 108 B Planktons Regular 0005
General Information
Gender: Male
Color: Green
Eye Color: Red and Yellow
Height: 2 inches (in "A Ladder to Heaven")
Weight: 1 mg
Address: The Chum Bucket, Pacific Ocean (in Plankton's Holiday Hits)
Occupation(s): Owner and Founder of the Chum Bucket
Aliases: Peter Lankton (Mr. P. Lankton), Planky, Mr. Brain-a-tron 5000, Professor Plankton, Robo-Krabs, The Amazing Plankton, Gammy-Maw
Family & Friends
Family: Karen(Wife)
Billy Bob(Cousin)
Billy Jim(Cousin)
Billy Billy Bo Willy Banana Fanna Fo Filly(Cousin)
Grandma Plankton(Grandmother,mentioned in Smug Alert! and seen in Rainforest Schmainforest)
Grand Dad(Grandfather, appeared in Something You Can Do with Your Finger)
)Mr. Plankton(Father)
Friends: SpongeBob SquarePants (several times during the series)
Mr. Krabs (Breast Cancer Show Ever, You Have 0 Friends)
Mama Krabs (Crippled Summer)
Pet(s): Labrador
Employees: SpongeBob SquarePants (Conjoined Fetus Lady)
Patrick Star (several times during the series)
Stanley S. SquarePants (Crippled Summer)
Enemies: Eugene H. Krabs
SpongeBob SquarePants
Patrick Star
Squidward Tentacles
King Neptune
Princess Mindy
Other Informations
Interests: Crushing his enemies
Feeding people chum
Ruining Mr. Krabs's business
Trying to rule the World and Bikini Bottom
Awards: 10 Fry Cook Games trophies
Series Information
First appearance: Tonsil Krabs
Portrayer: Doug Lawrence
List of characters

Sheldon James Plankton (born November 30, 1942[1]) is Mr. Krabs' nemesis and the second antagonist of the series. He operates a struggling restaurant called the Chum Bucket, located directly across the street from the Krusty Krab. His primary goal in the series is to steal the Krabby Patty recipe 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 the episode "Smug Alert!", it is revealed that Mr. Krabs and Plankton were once best friends, but a dispute over the Krabby Patty recipe ended their friendship.


Rebecca RechidNat PetersonSquidane TentaclesWendy SquarePantsHeidi Star

Supporting Characters