N. Unofficial name

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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"

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