Gyutaro Kibutsuji is a prominent antagonist in the anime series Kimetsu no Yaiba (Demon Slayer). He is one of the primary antagonists during the Entertainment District Arc, serving as Upper Moon Six alongside his younger sister, Daki. Gyutaro is known for his twisted sense of protection toward his sister and his tragic past as a child in poverty. As a demon, he possesses deadly abilities and a menacing appearance, making him a formidable opponent for the Demon Slayer Corps.