SpongeBob SquarePants

Sinister Slug

on ESB
Sinister Slug
Sinister Slug cardboard
General Information
Interests: Being Evil
Occupation(s): Villain
Physical Appearance
Gender: Male
Color: Green
Eye Color: Red
Friends: Dirty Bubble
Man Ray
Jumbo Shrimp
Atomic Flounder
Employer: B.G.A.T.F.B.C.
Enemies: Mermaid Man
Barnacle Boy
The Elastic Waistband
The Quickster
Miss Appear
Professor Magma
Pi-Right Ponderer
Series Information
First appearance: "Mermaid Man and Barnacle Boy II"
Latest appearance: "The Bad Guy Club for Villains"
Portrayer: Mr. Lawrence (The Bad Guy Club for Villains)
List of characters

The Sinister Slug first appeared in the episode "Mermaid Man and Barnacle Boy II". He also made a second appearance in "The Bad Guy Club for Villains". He is a slug that most likely dwells within the sewers. He appears in a game is "The Yellow Avenger", where you have to confront him in Jellyfish Fields.


In Mermaid Man and Barnacle Boy II, he has red eyes, and resembles a green worm. He also has very sharp teeth.

In The Bad Guy Club for Villains, he has a much different appearance, with a bulbous beige body, completely red eyes, a few tufts and even sharper teeth. He also doesn't wear any kind of clothes this time.

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