Katana Man

Katana Man (real name unknown), known officially as Samurai Sword, is a Devil-human Hybrid who merged with the Katana Devil. His grandfather was the Debt Collector killed by Denji and because of that, he teamed up with Akane to get revenge on Denji and steal his heart. In the Public Safety Saga, he serves as the titular main antagonist of the Katana Man arc and a minor antagonist in the Control Devil arc. Katana Man later returns in the Academy Saga as a supporting character, having temporarily joined Public Safety as a member of Tokyo Special Division 7 with the personal agenda of reviving hi...