Doromizu, Jirochou

泥水次郎長

He is the Big Boss of the Kabuki District yakuza syndicate, the Dobunezumi Group. His henchmen mentioned that Doromizu Jirochou used to admire Otose, one of the other 4 Devas of the Kabuki District.
He has facial scars as well as unusually dark skin; Gintoki calls him "Ganguro old man" because of this.
He was also a long-time friend of Terada Tatsugorou, Otose's deceased husband. He fought in many wars and is a very skilled swordsman. One of his many nicknames is "All Under Heaven".