Danzōmaru

Danzōmaru (斷蔵丸) is one of the four guardians, that guard the entrance to the Seireitei. He is the guardian of the Black Ridge Gate (Northern Gate). Aizen hypnotized him and the two other guardians so he can use them to give trouble Ichigo and his friends. But he was stopped by Jidanbō Ikkanzaka. He appeared only in the manga.

First Appeance: Chapter 177