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.
After Mutant Terrorist Max Eienhardt uses the Demonic Juggernaut to put the Original Class of X-Men out of commision,Professor X has to assemble a new team of X-Men to face off against the Brotherhood of Mutants.
