Lul, it's okay :D. You can still make a story about em for fun..although.. it is pointless ._.'
:D
He's a demon-once man with a spiked appendage on his arm. He joined a gang and, desperate to prove himself, commited a gang rape.
But he was shot in a gang war and gues where he whent? straight to hell. But saten saw potential in him and instead of torturing him, used him to kill his enemies and bring evil souls to hell. Lemme show you the crappy pivot version for referece...

Now imagine that but with more spikes, glowing red eyes and a lot cooler. a LOT cooler.