Underworld Origins! The Corvinus virus was responsible for creating the immortals and the two immortal off-shoots, the vampires and the Lycans. The Corvinus Virus was the parent strain of the vampire and lycan viruses within the blood of Alexander Corvinus. The Father of William and Marcus Corvinus who became the first vampire and werewolf. Viktor tried to alter history but truth prevailed. Underworld made this Gothic mythology popular again when Kate Beckinsale brought the vampire Selene to life.Thanks for watching! Please like, share, comment and subscribe! http://tinyurl.com/o93l5gn