Icelandic strongman Hafþór Júlíus Björnsson is famous for playing the skull-crushing Gregor Clegane a.k.a. The Mountain on "Game of Thrones." Now, he's looking to become the strongest man in ...

Gregor Clegane aka The Mountain: Killed by poison on Oberyn Martell's sword after winning their duel. But... brought back to life (or the undead) by Qyburn.