Dirty Bubble is a villain from SpongeBob SquarePants and one of the archenemies of Mermaid Man and Barnacle Boy.
Dirty Bubble is a huge, transparent, brown, dirty, bubble. He has black eyebrows and has a black eye color. He can float and fly in the air. He also has the ability to trap his enemies inside of his body & his weakness is that his enemy can pop him.
In '"The New Adventures of Mermaid Man and Barnacle Boy", The Dirty Bubble is the Number one most arch nemesis. His goals are to trap inside of himself, Mermaid Man and Barnacle Boy. SpongeBob defeats him in this fiend's first appearance with a pencil.
He is voiced by Charles Nelson Reilly in his first appearance and Lights, Camera, PANTS!, and then he was replaced by Tom Kenny, making him the current voice of this fiend since "Mermaid Man and Barnacle Boy II".