Tetsuya in Devilman Grimoire
Tetsuya was a member of a gang that would ally themselves with Akira Fudo after he saved them from Rasber and General Zann. He battled with razor blades between his clenched fingers.
- Tetsuya (Manga): After being saved from Rasber's possession he and the other gang members allied themselves with Akira.
- Tetsuya (Amon): A massive youth that was allied with Akira's Devilman army. He was close to Manjiro and had knowledge on explosives.
- Tetsuya (Gekiman): Plays a similar role as the original in the semi auto-biography.
- Tetsuya (Grimoire): A member of Amon's school crew, he assisted against several demon attacks.