Sheldon J. Plankton (2123)

Sheldon J. Plankton is a character from fanon SpongeBob SquarePants. He first appeared in the first season of the series and has appeared in every season since (until season 75 when he left the series).

Description
He founded the Chum Bucket Company at the age of 24, to rival Krabs. When he was 56 he began trying to steal the formula, shortly after SpongeBob SquarePants was hired. After a couple years at the age of 181, he closed down the Chum Bucket, and decided to retire, leading to the second season of the spin-off, Better Days.

Season 1

 * 1) TBD

Season 1

 * 1) The Side Business (Cameo)

Season 2

 * 1) Welcome Back, Plankton
 * 2) TBD

Trivia

 * TBD