Hafþór Júlíus Björnsson (Icelandic pronunciation: ​ (ˈhafθour ˈjuːliʏs ˈpjœsːɔn); born November 26, 1988) is an Icelandic professional strongman and actor. He is the current World 's Strongest Man and is the first person to have won the Arnold Strongman Classic, Europe 's Strongest Man and World 's Strongest Man in the same calendar year. He plays Gregor "The Mountain '' Clegane in the HBO series Game of Thrones. He also is a former professional basketball player.
the actor who plays the mountain in game of thrones
Hafþór Júlíus Björnsson