Byakuya Kuchiki (朽木 白哉, Kuchiki Byakuya) is the Captain of the Sixth Division in the Gotei 13. His lieutenant is Renji Abarai. He descends from one of the four great noble families of Soul Society, and as such he is the embodiment of pride and discipline, intending to be a role model for all Shinigami.(Wikia)