Minor Characters

Mrs. Krabs – Mr. Krabs’s mother.
Bubble Bass – A bass who was SpongeBob’s archnemesis.
Stanley SquarePants – SpongeBob’s cousin who has a similar appearance to SpongeBob, but is much taller. Stanley is accident prone and causes destruction wherever he goes.
Flatts – A mean green flounder who went to community college with Patrick and bullied SpongeBob [...]

Frequent Characters
Mrs. Puff – A white-spotted puffer with blonde hair and green fins who is the owner and teacher of a boating school analogous to a driving school, as the “boats” are underwater equivalents to cars. She dreads teaching SpongeBob due to his reckless boating.
Mermaid Man and Barnacle Boy – Two elderly actors/superheroes who live [...]

Spongebob Squarepants Main Characters
SpongeBob SquarePants, the main character, he is a pleasant and cheerful sea sponge who bodily resembles a kitchen sponge, and lives in a pineapple on 124 Conch Street. SpongeBob was originally named “SpongeBoy” by the series creators, but it was later changed due to trademark issues. Green and purple were early color [...]