Obanai Iguro is a major supporting character in the anime and manga series Kimetsu no Yaiba, also known as Demon Slayer. He is the Serpent Hashira, one of the highest-ranking members of the Demon Slayer Corps. Known for his strict and disciplined nature, Obanai is highly dedicated to his duties and has a strong sense of justice. Despite his severe demeanor, he harbors deep feelings for fellow Hashira, Mitsuri Kanroji. His unique fighting style incorporates a snake-like sword technique, enabling him to outmaneuver and subdue demons with agility and precision.