Ser Gregor Clegane
AKA: The Mountain who rides
Alliance: House Clegane The Lannisters
Relatives: Sandor Clegane
Gregor Clegane is the Lord of House Clegane a Vassal house to the Lannisters of Casterly Rock. Gregor is an exceptionally large man, by some accounts standing at 7 feet tall. He was knighted by Tywin Lannister and has been employeed as a wild dog. Often tasked with clandestine operation on behalf of his Lord.
He defeated The Red Viper in combat for the life of Tyrion Lannister. Though he defeated the Red Viper he was also poisoned by a powerful manta-cor venom. He was save by Cybourn.