White Wolf, Inc. is an American gaming company, most famous for the Vampire: The Masquerade roleplaying game. The company began in 1991 as a merger between Lion Rampant and White Wolf Magazine, and was led by Mark Rein·Hagen of Lion Rampant and Steve and Stewart Wieck from the magazine. Taking their name from the fiction of Michael Moorcock, they have become one of the world's most successful role-playing game companies.