Stussy is a mysterious and influential character in the anime and manga series One Piece. She is initially introduced as the Queen of the Pleasure District and a prominent member of the Underworld, but is later revealed to be an undercover agent for CP0, the World Government's elite intelligence agency. Stussy plays a significant role during the Whole Cake Island arc, showcasing intelligence, manipulation, and combat skills. Her complex allegiances and enigmatic nature make her a fascinating and unpredictable figure in the One Piece universe.