Diam was a member of Magistrum's court, appearing briefly in the interquel manga 'Shin Devilman'.

Appearance

Diam was a humanoid demon with fish like qualities. He had a set of three ridge-shaped fins on his head and gills on his stomach, his skin was covered in black markings.

History

Diam took part in the kidnap of Jeanne D'Arc, plucking her out of her own timeline and into the mysterious Hellgate, where she was tried at Magistrum's court.

It's unknown what happened afterwards, weather he is killed when Akira arrives, or escapes amidst the chaos.

Trivia

• Diam like several other demons of the Court is seemingly based on a demon from the original manga, in Diam's case it was the demon Najuwarle.