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.
When an ancient Kryptonian monster called Doomsday falls to Earth, Superman and his allies must band together to stop its rampage. Little does Superman know that this battle might just be his last.
