Gordon Plankton
Occupation(s): Insurance Salesman (possibly formerly)
Physical appearance
Gender: Male
Color: Olive green
Eye color: Blue (Hooray for Dads!)
Red (A Plankton Family Tree)
Spouse: Mama Plankton (wife)
Siblings: Silas Plankton
Children: Sheldon J. Plankton (son)
Parents: Grand Dad Plankton (father)
Ella Plankton (mother)
Grandparents: Seymour (maternal grandfather)
Basia (maternal grandmother)
Uncles: Moe Bros
Nephews: Clem
Ancestors: Planktonamor
Dead Eye Plankton
Other relatives: Karen (Daughter-in-law)
Series information
First appearance: Hooray for Dads!
Latest appearance: A Plankton Family Tree
List of characters

Gordon[1] Plankton is the father of Sheldon J. Plankton.


Hooray for Dads!

Gordon looks like his son, except he is yellow green, has a blue eye, instead of a red one, wears an orange shirt with red flowers on it and has a brown mustache with a brown eyebrow.

A Plankton Family Tree

In the comic, he is deep green and looks almost Jellyfish like. He has light green eyes with black pupils and has gray hair and a gray mustache.


Gordon Plankton was born to Mr. and Ella Plankton. He had at least one sibling.

He married Mama Plankton.

They had one son named Sheldon J. Plankton.

According to Nicktoons Unite!, they may have had more children as Plankton says, referring to his mother, "I was always her favorite."

At some point, he obtained the job of Insurance Salesman[2]



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