Rebecca Riku is a supporting character in the anime series One Piece. She is the granddaughter of King Riku Doldo III and the daughter of Scarlett. Known for her combat skills, Rebecca is a fierce warrior who fought in the Corrida Colosseum with the hope of winning the Mera Mera no Mi, a powerful Devil Fruit. Despite her difficult past as a slave in Dressrosa, she is determined and compassionate. Throughout the Dressrosa Arc, Rebecca plays a crucial role in the battle against Doflamingo, showcasing her resilience and courage.