Mark Rein•Hagen (often written Rein-Hagen) is a roleplaying, card, computer and board game designer, best known as the creator of the roleplaying game Vampire: The Masquerade and its associated World of Darkness games, including Werewolf: The Apocalypse, Changeling: The Dreaming and Wraith: The Oblivion. Rein•Hagen is also one of the original two designers of Ars Magica along with Jonathan Tweet. A TV show (Kindred: The Embraced) based on Vampire was produced by Aaron Spelling and shown on Fox TV with Rein•Hagen serving as a writer and producer, but was cancelled after nine episodes; despite word of a revival, its star Mark Frankel died in a motorcycle accident, ending such talk. A founder and owner of White Wolf Game Studio, in 2007 he sold his half of the company and left the gaming fiel