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.
In Gotham City, a series of murders puts Gotham in panic. It has somehow become winter in Gotham and its up to Batman and Nightwing to put a stop to this.
