Oboro Kōzuki

Oboro Kōzuki (上月 朧, ''Oboro Kouzuki) is the Third Seat of the Second Division in the Gotei 13 and the current Corps Commander of the Detention Unit in the Onmitsukidō.

Behind the Scenes
His name is derived from the real-life personage of whom Sarutobi Sasuke was based on.