Zannin was a large gruff and sadistic leader of the Demon Tribe. He was one of lord Zennon's three Demon Generals. He wanted to defeat Devilman seemingly hating him more than humanity itself. Zannin was based on the demon Zennon from the manga Demon Lord Dante and is one of the most popular characters from the original anime series.
- Zannin (TV): A Large demon who continuously tried to defeat his foe Devilman, each attempt ending in a failure.
- Zannin (Darkside): A member of a large group of demons that had flocked together to follow Satan, he is among the only survivors of Ashura's attack.
- Zannin (Hiruta): One of the demons sent out by Zennon to defeat Akira Fudo.
- Zannin (Mazinger Angels): The Leader of the Demon Tribe, he attempts to help Dr. Hell defeat both Devilman and the Mazinger Angels.
- Zannin (Grimoire): Iwao Himura's Devilman form.
- Zannin (Mazinger Z vs Devilman): The Leader of the demons and a major antagonist in the crossover film.