Markus Herrickson was a Scientist working for Umbrella Corp.He was born to Serena Herrickson and Damian Herrickson.In May 1996 he murdered his mother by feeding her plutonium in her food.He was found by Umbrella corp and voluntereed to be their scientist he was the one resposnible for finding the Truxton Virus a Virus which would transform the person into a bloodthirsty Penguin Zombie hybrid,He tries to inject Sheva Alomar with the Virus but she ran away