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.
Before everything is over, Simon will face dragons, woo a princess, and search for the trio of magic swords—Minneyar (Memory), Jingizu (Sorrow), and Thorn—that give the series its title, and offer the only hope of casting evil out of the land
