Gregor Clegane - A Wiki of Ice and Fire

Gregor Clegane is the Knight of Clegane's Keep and the head of House Clegane, a landed knight and bannerman to House Lannister of Casterly Rock. Gregor is a freakishly large man and for this he is often called the Mountain That Rides or simply the Mountain. His soldiers are known as the Mountain's men.

A Song of Ice and Fire - House Clegane / Characters - TV Tropes

I Come at You: Sviatoslav by Noldofinve on DeviantArt

Gregor Clegane - A Wiki of Ice and Fire

Gregor Clegane - A Wiki of Ice and Fire

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Gregor Clegane - A Wiki of Ice and Fire

Gregor Clegane - A Wiki of Ice and Fire

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Gregor Clegane, A Song of Ice and Fire Wiki