Gregor Clegane, nicknamed "The Mountain," is the older brother of Sandor "The Hound" Clegane. Gregor is a beastly warrior and is responsible for his brother's terrible facial scars. As you might expect, the man who plays The Mountain has made a career of being a very large man. —XFINITY Entertainment Staff (Photo: HBO)
The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.