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.
On summer vacation, an eleven year old boy discovers an alien pod with a mysterious alien watch-like device and as it attaches itself to his wrist, it allows him to transform into 10 different alien heroes to fight crime and evil aliens.
