Sid Fishy is a villain who was voiced by Ozzy Osbourne in the Bubble Guppies episode Super Guppies. He started out as an evil villain from the Super Adventures of Guppy Girl and Bubble Boy who stole the stinkiest smells in Big Bubble City, along with his henchman Orange Ruffy, until being stopped in his overall plot by Guppy Girl and Bubble Boy and changing his ways. Orange Ruffy
Sid's original intent was to steal all the garbage, rotten eggs, and smelly socks in the entire city and mix it all together to make enough Stink Sauce to fill a cloud up to rain on everyone in the whole city. With his partner Orange Ruffy, he nearly succeeded, until Guppy Girl and Bubble Boy stopped him. He later confessed in his cell in Big Bubble City Jail that he did what he did so that he could make a friend because no one wants to be around him due to his odor. However, Orange Ruffy told him that he was his friend, which caused Sid to change his ways.