Genbu was one of the four demons in Devilman that were forced into sealing the mighty hero Damudo into a thousand year imprisonment.


Genbu was one of the four demons that were forced into fuseing with a Monk to seal the mighty demon Hero Damudo, after the sealing Damudo was sent into a sleep for over a thousand years until he is reawakend by Psycho Jenny. Damudo is convinced into fuseing with the four demons who were origonally frced into improsoning him and he splits up into four bodies, with Genbu taking the Monk's head.

Later after Genbu had vastly built himself up with a large collection of people on his shell and now a whole lot bigger he cleans out a small convenience store of its people he decides apon going after a Devilman with a want to try its flesh.