Hantengu

Age: >200 (Chronologically)
Height: 166 cm (5'5¼")
Weight: 56 kg (123 lbs)
Hair Color: Black
Affiliation: Twelve Kizuki

Hantengu, along with Gyokko, is the primary antagonist of the Swordsmith Village Arc of Demon Slayer. He is a demon affiliated with the Twelve Kizuki, holding the position of Upper Rank Four.