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 Kryptonian war criminal, General Zod escapes from the Phantom Zone, Superman must defend earth from him. In the process, Superman reunites with his cousin, which leads him to learn more about his heritage.