An ancient golden yokai who was released when Ushio pulled off the Beast Spear. Prior to being pin in the basement of Ushio's temple, he was known as Nagatobimaru, famously feared among the yokai community for his sheer strength and powers of lightning. Being trapped in the basement for 500 years, he has great curiosity over modern lifestyle and gadgets. His favorite food is hamburgers, which Mayuko always provides when they meet. In the final battle with Hakumen, he remembers his ancient relationship with the super yokai before he became a yokai.