Akimu Papladon

An artificial demon (Dubbed "Artificial Demon Number 9") delivered to Franken Stein, who battles Staz. He was originally a demon named Pantomime, who was performing a top-secret mission for Father Wolf before he suddenly became out of contact. He has something to do with Fuyumi's appearance in the Demon World.

[Spoiler] It is revealed that Braz captured him and delivered him to Stein as a test subject to perform his experiments on. [/Spoiler]

[Spoiler] Akimu was once a demon named Pantomime that worked for Daddy Wolf. He had the power to mimic any demon's special ability by seeing it performed only once. He mysteriously disappeared while on a top secret mission for Daddy Wolf. [/Spoiler]