Eztumn was a minor character in the original Devilman manga.
Appearance
Eztumn was a skeletal demon with a large beak and spikes coming from the back of his head. He had a large cape-like frill around his neck and black markings on his body.
History
Eztumn was seen briefly trying to flee from a group of attacking demons in a flashback of Akira Fudo's to the Cretaceous era.