Ryu Kuchiki is a member of the Kuchiki Clan and serves as one of the Jurrymen in the Central 46. In his youth he became famous for leading an army into Hueco Mundo to track down an group of Hollows, and single handedly defeating the leader of the Hollows. He's the cousin of Byakuya Kuchiki and the adoptive cousin of Rukia Kuchiki.