Hitetsu Tenguyama

Occupations: Swordsmith Origin: Wano Country Residence: Wano Country (Amigasa Village)

Tenguyama Hitetsu is a swordsmith, a collector of beautiful girl kokeshi dolls, and the descendant of the legendary swordsmith Kotetsu. He lives with Tama in the ruins of Amigasa Village in the Kuri region of Wano Country.

Hitetsu is an extremely caring man, as he took in Tama after the latter became an orphan from losing her parents. He becomes extremely angry when Tama's well-being is put at risk, and is quick to resort to violence against those who he thinks are threatening or taking advantage of her. Hitetsu also took Toko to celebrate the Fire Festival to cheer her up after Yasuie's death, assuring her that her adoptive father will watch over her.

It is later revealed he is also Kouzuki Sukiyaki