For other versions of this character see:
Onkazar was a minor demon seen briefly in the manga Devilman Grimoire.
Onkazar is a small thin demon with long arms and legs he had small claws and large twisted horns extending from the top of his head.
Onkazar is seen briefly during a flashback to the Cretaceous era, as Zennon let down lightning eradicating many demons as he did so. Onkazar hides behind some rocks with Nijuteddo, Rogamed, Orifang and Neurys.