Question: What character is initially introduced in 1996's "A Game of Thrones is played by Hafþór Júlíus "Thor" Björnsson ?
Context: Eddie: Strongman is a 2015 British documentary film directed by Matt Bell.  It follows the life of English strongman Eddie Hall as he strives to become the World's Strongest Man, which he later achieved in 2017.  The film provides a unique insight into the extreme lifestyle of an international strongman and the sacrifices he must make to achieve his goals.  It features appearances from Arnold Schwarzenegger, Brian Shaw, Žydrūnas Savickas, Hafþór Júlíus Björnsson, Benedikt Magnússon, Terry Hollands, and Geoff Capes. The 2014 World's Strongest Man was the 37th edition of World's Strongest Man.  The event was held at the Commerce Casino in Los Angeles, California, the same host city as the 2012 World's Strongest Man contest.  The qualifying heats were held from March 22–25 and the finals on March 28 & 29.  Unlike previous years when 10 athletes qualified for the finals, this year there were 12 qualifying spots.  The top 2 from each heat qualified, as well as the 2 highest scoring 3rd place athletes from all 5 heats.  The event was sponsored by the Commerce Casino and will begin broadcasting in the United States on the CBS Sports Network from July 4-August 13, 2014.  Zydrunas Savickas from Lithuania finished in first place, this was his fourth WSM title.  Hafþór Júlíus Björnsson from Iceland finished in second place, and Brian Shaw from the United States came in third. Miles Edgeworth, known as Reiji Mitsurugi (御剣 怜侍 一 , Mitsurugi Reiji ) in original Japanese language versions, is a fictional prosecutor in Capcom's "Ace Attorney" video game series.  Initially introduced as a cold-hearted perfectionist, he appears as an antagonistic rival to main character Phoenix Wright in "".  Following the events of the first game, the character has a change of heart and reappears as a friendly rival in most of the subsequent titles in the series.  Due to the character's popularity, Edgeworth went on to star in two of his own spin-off games, "" and its sequel.  Edgeworth has also made appearances in extended "Ace Attorney" media, such as film and animation, as well as several cameo appearances in titles outside of the main "Ace Attorney" series. The 2013 World's Strongest Man was the 36th edition of World's Strongest Man.  The event was held in Haitang Bay, Sanya, China, the same host city as the 2006 World's Strongest Man contest.  The qualifying heats were held from August 17–20 and the finals on Aug. 23 & 24.  The event was sponsored by the Commerce Casino and will be broadcast in the United States on the CBS Sports Network.  Brian Shaw from the United States placed first, winning his second WSM title after winning in 2011.  Zydrunas Savickas from Lithuania was second after finishing 1st the year before, and Hafþór Júlíus Björnsson from Iceland was third for the second year in a row. Kickboxer: Retaliation is an upcoming American martial arts film directed and written by Dimitri Logothetis.  Logothetis was attracted to the original Jean Claude Van Damme’s Kickboxer because of his martial arts background and that’s what inspired him to pursue the rights to the original, develop a reboot of the franchise and ultimately write, produce and direct a contemporary version of the pop culture, iconic Kickboxer.  It was important that Logothetis to convince Van Damme to step into the role of mentor to ordain a new, high octane Kickboxer who has a sixth degree black belt in BJJ, Alain Moussi.  Because Kickboxer: Vengeance was such a successful independent feature in the world market, it generated a sequel.  It is a sequel to the 2016 film "".  The film stars Alain Moussi, Jean-Claude Van Damme, Christopher Lambert, Ronaldinho, Mike Tyson and Hafþór Júlíus Björnsson.  Aside from Moussi and Van Damme, Sara Malakul Lane and Sam Medina are reprising their roles from the previous film. Terrence Gordon "Terry" Raymond is a fictional character from the BBC soap opera "EastEnders", played by Gavin Richards.  Terry is initially introduced briefly in 1996 as the drunken father of Tiffany (Martine McCutcheon) and Simon Raymond (Andrew Lynford).  He is reintroduced as a full-time character in 1997 and remains in the serial until 2002, when actor Gavin Richards decided to leave. The 2012 World's Strongest Man was the 35th edition of World's Strongest Man.  The event was held on the grounds of the Commerce Casino in Los Angeles, California, US.  The event was sponsored by MET-Rx.  The qualifying heats were held from September 24–27, and the finals took place Sept. 30 & Oct. 1, 2012.  The winner was Žydrūnas Savickas, it was his third WSM title.  Vytautas Lalas of Lithuania was second, and Iceland's Hafþór Júlíus Björnsson was third. Europe's Strongest Man is an annual strength athletics competition which began in 1980.  The event is held in various locations throughout Europe, and features exclusively European strongman competitors.  Mariusz Pudzianowski currently holds the record for most wins with 6 titles.  Zydrunas Savickas, Geoff Capes, Riku Kiri and Hafþór Júlíus Björnsson each hold 3 titles.  As of 2010, the Europe's Strongest Man contest has become a part of the Giants Live season of annual grand prix events.  The contest serves as a qualifying event for the World's Strongest Man contest, with the top 3 placings qualifying for that year's WSM contest. 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". Gregor Clegane, nicknamed "The Mountain That Rides" or simply "The Mountain", is a fictional character in the "A Song of Ice and Fire" series of fantasy novels by American author George R. R. Martin, and its television adaptation "Game of Thrones".  In the books, the character is initially introduced in 1996's "A Game of Thrones".  He subsequently appeared in "A Clash of Kings" (1998), "A Storm of Swords" (2000) and in "A Dance with Dragons" (2011).
Answer: Gregor "The Mountain" Clegane