Denji is a young man (self-proclaim 16 years old) with blond, scruffy hair. He has sharp yellowish-brown eyes with bags underneath and sharp teeth to match. As a young boy, he inherits his father's debts from the Yakuza. After meeting Pochita, he becomes a Devil Hunter for the Yakuza in an attempt to clear his debt. After the Yakuza, which were under the control of a Devil, betray him, he dies and Pochita becomes his heart. He can now become the Chainsaw Devil by pulling the cord on his chest. After meeting Makima, he became a Public Safety Devil Hunter.