Urogi, a 3rd year student in Kimetsu High School. Urogi is the most jovial and giddy of Hantengu's clones. He’s always seen as happy and joyful, getting along with everyone at school. He is the youngest of quadruplets. His older brothers are: Sekido, Karaku, and Aizetsu. He looks almost identical to his brothers that it’s hard to tell them apart, but his upbeat personality makes him stand out.