Katsuo Kurogoma (黒駒 勝男)
A gang boss who lives his life with one rule. That rule is everything in life has a 7:3 ratio.
Gintama
Supporting
Gintama'
Gintama: Yorinuki Gintama-san on Theater 2D
Gintama°
Gintama. Shirogane no Tamashii-hen
Ishizuka, Katashi
Ghignone, Luca
