Question: What character is initially introduced in 1996's "A Game of Thrones is played by Hafþór Júlíus "Thor" Björnsson ?
Sentence (from "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.
Relevant evidence: Yes