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Sinister Slug is a minor antagonist in SpongeBob SquarePants. He is one of the many foes of Mermaid Man and Barnacle Boy, and is a terrorous slime creature that lives in the sewers.

He is voiced by Dee Bradley Baker, Who also voiced the Atomic Flounder and Bubble Bass in the same series.

Biography[]

In "The Bad Guy Club for Villains", Sinister Slug crawled out of the sewer and wormed up to a gathering of other villains. These were Man Ray, the Dirty Bubble, Atomic Flounder, and Jumbo Shrimp. They were banding together to make a team, known only as BGATFBC. Mermaid Man and Barnacle Boy watched them from an alley and suspected something was up so they tried to stop them.

The BGATFBC held their meeting at Hotel Evil, where Mermaid Man and Barnacle Boy showed up on the scene with a few other superheroes and fought with them. In battle, Sinister Slug slid up the wall and vomited a ball of slime at Mermaid Man. Mermaid Man jumped out of the way and the slimeball blasted Atomic Flounder instead. The slimeball was so sticky that it immobilized Atomic Flounder and stuck him to the ground.

Mermaid Man used The Bronze Hairnet's hairnet to capture all of the BGATFBC members and make them talk. They said that "BGATFBC" stood for "Bad Guys All Together For Book Club" and that they couldn't imprison them for reading. Mermaid Man said that this was right and let them continue their book club.

Powers and Abilities[]

  • Slimeballs - Sinister Slug can vomit slimeballs at people. When struck by the slimeballs, the target becomes immobilized and incapacitated, as the sticky slime leads to them becoming stuck to the floor.
  • Climbing - Sinister Slug is sticky enough to climb up the walls.

Relationships[]

Allies[]

Gallery[]

Navigation[]

           SpongeBob SquarePants Logo Villains

Bikini Bottom
Mr. Krabs (Alternate Reality Mr. Krabs) | Plankton Family (Plankton, Karen Plankton) | Bubble Bass | Flats the Flounder | Tattletale Strangler | BlackJack SquarePants | Sergeant Sam Roderick | Carl | Con Man | Don Grouper | Animatronic Hieronymus Glove | Art Appraiser | Gale Doppler | Stickyfins Whiting | Dorsal Dan | Kevin C. Cucumber | Nurse Daisy Bazooka

Monsters and Creatures
Alaskan Bull Worm | Puffy Fluffy | Madame Hagfish | Big One | Sea Bear | Jelliens (Evil Alien Jellien Overlord) | Dragon Jellyfish | Kraken | Abominable Snow Mollusk

Supervillains
Every Villain Is Lemons (Man Ray, Dirty Bubble, Jumbo Shrimp, Notodoris) | Sinister Slug | Atomic Flounder | The Moth | Catfishstress | Octopus King | Hoodoo Guru | Robot Mantis

Pirates
Flying Dutchman | Lord Poltergeist | Gordon

Others
DoodleBob (Mini Doodles) | Abrasive SpongeBob | Dead-Eye Plankton | Planktonamor | Plankrab | Karen 2.0 | Captain Scarfish | ToyBob | Triton | Cuddle E. Hugs | Coupe | Swamp Natives | Earworm | Master Udon | The Fisherman | Hash-Slinging Slasher | Nosferatu

Movie Villains
The SpongeBob SquarePants Movie:
Mr. Krabs | Plankton | Dennis | Karen Plankton | Victor | Cyclops | Boat Jacker | The Frogfish | The Thug Tug Gang
The SpongeBob Movie: Sponge Out of Water:
Plankton | Mr. Krabs | Burger-Beard
The SpongeBob Movie: Sponge On the Run:
Plankton | Mr. Krabs | Karen Plankton | King Poseidon | El Diablo

Video Game Villains
Evil Syndicate | King Gorge | The Mawgu | Robots (SpongeBot SteelPants, Robot Plankton, Robo-Patrick, Robo-Sandy) | Prawn (Admiral Prawn) | Mutant Krabby Patty | Dreaded Patrick | Globulous Maximus | Seymour Scales | Madame Kassandra | Cosmic Jelly Monsters

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