Urokodaki is a character from the manga and anime series "Demon Slayer: Kimetsu no Yaiba." He is a former Demon Slayer and the mentor of the protagonist, Tanjiro Kamado. Urokodaki is a wise and skilled swordsman who trains Tanjiro in the ways of combat and demon slaying. He is known for his strict and disciplined teaching methods, as well as his caring and compassionate nature towards his students. Urokodaki is often depicted wearing a distinctive mask that covers the lower half of his face.