Hafþór Júlíus Björnsson is an Icelandic professional strongman, actor, and former professional basketball player.
He plays Ser Gregor "The Mountain" Clegane in the HBO series Game of Thrones.
In this story, you can decide on which actor/actress can play an apocalyptic character. There is only one rule and the rule is - No unoriginal characters, only actors and actresses
