Super-strength secrets of the Hollywood hulks
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Dwayne Johnson -- Luke Hobbs, 'Fast Five'( Jaimie Trueblood / Universal Pictures )
Height: 6' 5"
Weight: 280 pounds
Heroic secret: To gain 30 pounds for the action hero role, Johnson ate 6,000 to 8,000 calories a day, took a daily multivitamin and glutamine supplement and followed a regimen of "sweat, spit and sometimes training so hard I throw up a little bit in my mouth," he told the Los Angeles Times.