Gregor Clegane was introduced in 1997's A Game of Thrones.
Introduced in 1996 's A Game of Thrones , Gregor is the older brother of Sandor Clegane , from the fictional kingdom of Westeros .	Game of Thrones	Game of Thrones	A Game of Thrones	A Game of Thrones	Sandor Clegane	Sandor Clegane	Westeros	Westeros
