Which character is nicknamed "The Mountain" and played by Hafþór Júlíus Björnsson in the TV version of Game of Thrones?
Hafþór Júlíus Björnsson Hafþór Júlíus "Thor" Björnsson (] ; also Hafthor Julius Bjornsson, born November 26, 1988) is an Icelandic professional strongman, actor, and former professional basketball player. He plays Ser Gregor "The Mountain" Clegane in the HBO series "Game of Thrones".
Richard Armitage (actor) Richard Crispin Armitage (born 22 August 1971) is an English film, television, theatre and voice actor. He received notice in the UK with his first leading role as John Thornton in the British television programme "North & South" (2004). But it was his role as dwarf prince and leader Thorin Oakenshield in Peter Jackson's film trilogy adaptation of "The Hobbit" that first brought him international recognition. Other notable roles include John Proctor in Yaël Farber’s stage production of Arthur Miller's "The Crucible", Francis Dolarhyde in the American TV series "Hannibal", Lucas North in the British TV drama "Spooks", John Porter in the British TV drama "Strike Back", and Guy of Gisborne in the British TV drama "Robin Hood". He more recently voiced Trevor Belmont in the Netflix adaptation of "Castlevania".