Roidmude 005 is a Bat-Type Roidmude. He assumes the form of the criminal psychologist Koya Nishihori. Though he is destroyed by Kamen Rider Drive, turns out, as revealed in Mach Saga novel that he manage to upload his core backup to World Wide Web to seek information for revenge against the Kamen Riders, which evolves him into Revenger Roidmude, a form which is far more powerful than Gord Drive and Chaser Mach. After being destroyed by Super Deadheat Mach, his core revealed to have been absorbed within an unstable, yet newly Roidmude 5886 in Drive Saga: Kamen Rider Heart. In Drive Saga: Kamen Rider Mach he freed from Roidmude 5886's body by Kamen Rider Heart, 005 escape where he framed Nishihori's daughter, Reiko by syncing her form as well to lure Mach into his trap and kills both any other fathers and daughters, but finally being destroyed permanently by Kamen Rider Mach Chaser. In a said novel storyline during a prison break out, before Revenger is found to be a culprit by Go, the original Nishihori attempt to digitize himself to fuse with entire World Wide Web use the Anima System which Masahiko Odagiri invented, but died in a freak accident where the system had a short circuit, destroying both the system along with Nishihori's consciousness, leaving only his corpse and Go was too late to save him.