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.
Blindsided by a new generation of snail racers, Turbo (Ryan Reynolds) is suddenly pushed out of the sport he loves. To get back on top, he'll have to train harder than ever before.