Gyutaro (妓夫ぎゅう太た郎ろう Gyūtarō?) was one of the primary antagonists in the Entertainment District Arc of Demon Slayer: Kimetsu no Yaiba. He was a demon affiliated with the Twelve Kizuki, holding the position of Upper Rank Six (上じょう弦げんの陸ろく Jōgen no Roku?), a position he shared with his younger sister, Daki. Over a century ago, Gyutaro was a human who worked as a debt collector in the Rashomon Riverbank of Yoshiwara, the lowest class in the Entertainment District.