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He has olive-green skin and a dark olive-green-striped dorsal fin. He also has three dark green spots on his head and wears a black mask. He has scales on his back and has black and white stripes on his clothing, as typical prisoners wear.
In "Cave Dwelling Sponge," he is seen wearing an orange prison uniform.
Role in series
When SpongeBob and Bubble Buddy go to the Krusty Krab, Squidward complains that Bubble Buddy cannot eat at the restaurant and that his money is no good there. Mr. Krabs appears out of the cash register and says that everyone's money will be accepted. The scene then shows the criminal with a big bag of cash on the table, implying that stolen money is good money for the Krusty Krab.
"Cave Dwelling Sponge"
He makes a cameo appearance at the visitors' area in the prison.
- Between "Bubble Buddy" and "Cave Dwelling Sponge," it took him 16 years to return.