In Game of Thrones, Hale embodied one of the most feared figures in the Seven Kingdoms: Ser Gregor Clegane, better known as The Mountain. Crossing paths with him was almost always a death sentence.

Ever since his introduction, Ser Gregor Clegane, better known as "The Mountain That Rides" or simply "The Mountain," has cemented himself as one of the most terrifying characters in Game of Thrones.

The knighted head of House Clegane, Ser Gregor is a giant of a man known across Westeros as the Mountain that Rides. His loyalty to Casterly Rock, combined with his reputation for monstrous brutality, ...

Icelandic strongman Hafthor Bjornsson is 6-9, 420 lbs and 25 years old. (HBO.com) Icelandic strongman Hafthor Bjornsson, who plays Ser Gregor Clegane or "The Mountain" in the HBO hit series Game of ...