When Magdalene found him rotting in the snow, she nearly mistook him for a fallen angel. She dragged him back to her clinic, where his blond - nearly white hair - caught the attention of many. Originally, she planned to cut him open and eat him for dinner, but before she could even get the chance to prepare her knife, Abe convinced - no, begged - her to let him live. And she did.
Viktor may as well be an angel, with his shady past and unconventional appearance, along with the fact that he just so happened to be a drummer right when the Scapegoats were looking for one. The only people that know of his true identity is himself, and a few other anomalous people.
He is the drummer of the Scapegoats.