Cliff Bleszinski aka Cliffy B

Famous for: Unreal, Gears of War

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The self-proclaimed "Tony Stark of videogames", Cliffy B's been with Unreal and Gears of War developer Epic Games for quite some time, though his star has really taken off in recent years. Epic's one of the greatest developers in gaming history, and he gets tons of face time thanks to Gears' success as an Xbox exclusive. He's also the real deal—a true gamer—and it really comes across.