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.
This is a Cartoon Network show, but it is still a very serious and dark tv show for young teens, teens and older kids, and this show can also have blood but still be a young and older audience show.
