Boa Sandersonia, also known as S-Snake, is one of the three Gorgon Sisters and the middle sister of Boa Hancock in the anime and manga series One Piece. She is a powerful warrior of the Kuja tribe and serves as one of the top fighters of Amazon Lily. Sandersonia is known for her snake-like abilities, which she gained after eating a Zoan-type Devil Fruit. Loyal to her sisters, she plays a supportive role in protecting their secrets and upholding the traditions of their homeland.