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.
Spoiled by their upbringing and unaware of what wildlife really is, four animals from the New York Central Zoo escape, unwittingly assisted by four absconding penguins, and find themselves in Madagascar.