Workout Plans : The Personal Trainer of Superheroes | Duffy Gaver July 5, 2016, 10:59 am 1.7k Views The Personal Trainer of Superheroes | Duffy Gaver Video Description Superheroes need a super trainer. Chris Hemsworth and Scar Johansson called on Duffy Gaver, no-nonsense bad@ss and former Navy SEAL. He turned them … 19 shares
