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Sewer Monster
Mutant Baby.
Color: Dark purple
Series information
Appearance: "The Krabby Kronicle"
List of characters
Sewer Monster.

Mutant Monster!!!

The Sewer Monster is a minor character who appears in the episode "The Krabby Kronicle."


The Sewer Monster looks like a mutated baby and has five limbs. The Sewer Monster is dark purple in color with a teal tongue.


When SpongeBob walks around town looking for something to write as an article on the newspaper, he sees a bank robbery, two muscled fish destroying a boatmobile, and then the Sewer Monster. Despite these interesting events, SpongeBob ignores them. 


  • The monster resembles Insectosaurus from "Monster's vs Aliens"

Octavius rex2
"Octavius Rex, a.k.a. long, tan, and handsome!"
This article is a character stub. You can help Encyclopedia SpongeBobia by expanding it.

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