4. Mike Morhaime, President, Blizzard Entertainment
In the world of online gaming, there is World of Warcraft and there is everything else. With 8 million players worldwide, Blizzard earns about US$1.5 billion a year on WoW. And each player is breathlessly beholden to Mike Morhaime for the chance - if it ever comes - to obtain that Blade of Eternal Justice.