Sai

Sai, also known as Don Sai, is a member of the Chinjao Family and the 13th leader of the Happo Navy, as well as a commander of the Straw Hat Grand Fleet. He is also a martial artist who joined as a gladiator at the Corrida Colosseum to compete for the Mera Mera no Mi, where he met Monkey D. Luffy, whom he eventually pledged his loyalty to. He is now married to Baby 5, a former member of the Donquixote Pirates who defected due to falling in love with him.