The Big Butt Bandits (ケツプリ団 Ketsupuri Dan) are a minor group of amateur thieves.
Not much is known about the history of the group except that the three banded together in order to commit crimes, despite having no talent in thievery at all. All three members share a common trait as all three possess unusually large posteriors.
The Big Butt Bandits attempt to steal money from the train conductor by threatening to blow up the train with a bomb.
- Mission in jeopardy due to Haru on the train roof and Plue sitting on the time bomb.
- Mission failed after encountering Elie and Musica, especially when the Silver Rhythm's reputation preceding them.
Air Casino Heist
- Mission failed due to being frightened by Franken Billy, Lilith Nina, Hamrio Musica and Let Dahaka's presence aboard.
- Knocking themselves out from their forbidden attack to save Haru and Plue.
The Big Butt Bndits attempt to extort money for kidnapping a little girl.
- Mission failed due to the hostage managed to escape without their knowledge, and traced by the authorities.
- Forbidden Attack: Triple Power Gas Pain: The trio adjusts their butts while charging up the gas. Once charged, they release a massive cloud of gas that both damage and leave an intense stench on the target. The attack's range can cover large areas such as the whole air casino, and pungent enough to knock out most opponents, especially to the users, hence the forbidden part.
- The gang made minor cameo appearances in the following:
- Hiro Mashima's next work; Fairy Tail, as anime-only exclusive appearances in the "Key of the Starry Sky" filler arc.
- GetBackers, where they appear in Episode 37 where they wore Hawaiian collared suits replacing their trademark skintight suits and big butts. They chased Natsumi as a retrieval expert before they are later subdued by Kazuki Fuchouin with his strings.