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.
20 years after Alex the Adventurer. Alex and Val's son sets out on his own adventure and discovers that the late Duvessa's followers are plotting to bring her back by using the magic of the three staffs.
