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.
Amanda Waller and the government assembles the most dangerous incarcerated criminals as Task Force X on a secret mission to search for one of the Motherboxes on a remote location and protect it from falling into the wrong hands.
