Bubble Bass

Bubble Bass (voiced by Dee Bradley Baker) is an obese bass who first appears in the episode "Pickles." He makes a few other appearances in season 1 and makes a comeback in the season 8 episode "Plankton's Good Eye."

He later makes numerous appearances in season 9 and season 10 onward and becomes a recurring background character by that point. He also makes cameo appearances in The SpongeBob Movie: Sponge Out of Water and has a second major appearance in the season 11 episode "Squid Noir." He is the main antagonist for the first time since "Pickles" in the season 11 episode "Moving Bubble Bass."