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.
Inspired by her cousin, Kara has decided to make a name for herself as a superheroine using the name Supergirl. Her first test as a hero comes in the form of a gang of hoodlums and a flawed clone of Superman named Bizarro.
