Not to be confused with Guard worm.
Not to be confused with BlackJack's guard worm.

JK[2] is the guard worm of The Dump. He appears in the episodes "The Lost Mattress" and "Gary & Spot," and the video game SpongeBob SquarePants featuring Nicktoons: Globs of Doom.


He is a giant light green worm with black eyes, a unibrow, and a slight underbite. He wears a spiky gray collar.

In "Gary & Spot," his skin is blue instead of light green, and his collar is darker.


He appears to be a friendly worm, but when either awoken or believes that there is a threat to the Dump, he becomes aggressive. He also enjoys playing fetch.

Role in series

"The Lost Mattress"

He first appears sleeping on Mr. Krabs' mattress. Squidward, SpongeBob, and Patrick plot to try and get the mattress from him, but all of their plans fail. When Mr. Krabs is awoken by the smell of his money, he joyfully reconciles with his mattress.

When JK attempts to scare off Mr. Krabs, he growls and whips the mattress, making JK go flying. JK lands on Squidward's arms, who throws him down and goes running from JK, who is chasing him down the road trying to bite him.

"Gary & Spot"

He appears in the sunken ship alongside the other worms and snails, where he has a party with Gary and Spot. He later gets thrown into the animal control truck by Marvin.

Role in SpongeBob SquarePants featuring Nicktoons: Globs of Doom

His name is revealed in this game, and he appears in the second level, where he is hostile. However, you are not able to fight him. A mattress can be seen with him.


Worms (VE)

Alaskan Bull WormBaby wormsBlackJack's guard wormEarwormGuard wormJKK-9 UnitKenneyMipsey and PipseyMr. DoodlesMrs. SquigglesMrs. WormsleyNematodesPeanut wormsPricklesRexSnookiemsSpotted Glistening Meadow WormTapeyWorm from AppleworldWorm hogsWormy

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