Ryūnosuke Kakuzenbō

Ryūnosuke Ashitaka Kakuzenbō (覚禅房 明日 龍之介, Kakuzenbō Ashitaka Ryūnosuke) is the former Fourth Seat of the Eight Division and current rogue Shinigami. After deserting the Gotei 13 Ryūnosuke goes by the name of Ryū the first Kanji of his name.