Katsutoshi Busujima (毒島勝利 Busujima Katsutoshi) is a Mad Angels thug.
Like Hidekazu Himuro, Katsutoshi was a candidate to be a leader, but was later downgraded after he committed a blunder that allowed the police to spot their illegal dealings and arrest them. He was reassigned to the lowest position and is waiting for a chance to regain his honor as well.
Katsutoshi always wears sunglasses because he cannot frighten people with his girlish eyes.
- Katsutoshi's zodiac sign is Virgo and he has a A blood type.