Havoc is an imposing figure with shoulder-length dark brown hair. In the ring, he usually wears his trademark Black & Gold, in design similar to Bret Hart's in-ring attire. Outside the ring, he dresses casually in t-shirts and jeans.

His past is largely unknown to the general public. His real name is Mason Xavier... he was born in Toronto, Canada, but, for reasons unexplained to him, his parents uprooted his life and theirs, and moved to Upstate New York.

Years later, he appeared in the eWf alongside of his tag-team partner, BloodHound, and manager, Yukon Jack as the Natural Born Killers. Partners, managers, and even federations came and went... but the name, the 'Natural Born Killers' followed him seemingly everywhere he went. In the dbW, they were a powerful and terrifying stable. In the HEW, a three-man ensemble out to lay waste to their enemies...