Question: Which character is nicknamed "The Mountain" and played by Hafþór Júlíus Björnsson in the TV version of Game of Thrones?

Context paragraphs:
Europe's Strongest Man: 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.

Three the Hard Way (film): Three the Hard Way is a 1974 action blaxploitation film starring Fred Williamson, Jim Brown, and Jim Kelly, written by Eric Bercovici and Jerrold L. Ludwig and directed by Gordon Parks, Jr. The film features the three biggest black action stars of the 1970s in their first movie together.  According to The New York Times, the theatrical version ran 93 minutes.  A PG version distributed to television (and released on Xenon VHS tape) runs 105 minutes.  The Warner DVD ("4 Film Favorites: Urban Action") runs 89 minutes and is missing a song (cut from the theatrical version) and some footage of boats, cars, etc.(cut from the TV version) but includes the language and nudity.  The theatrical version contains scenes of three topless women, but these scenes were re-shot with them clothed for the TV version.

2013 World's Strongest Man: 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: 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.

Robin Houston: Robin Houston (born 1948?)  is a British former newsreader and game show host.  He has read the news for both LWT and Thames Television and has fronted both 100% and One to Win for Channel 5 and has provided the voiceover for All Star Secrets, Bruce Forsyth's Big Night, Child's Play, Game for a Laugh, Newlyweds, the 1980s version of Play Your Cards Right, Punchlines, the Challenge TV version of Sale of the Century, Strike It Lucky, Tell the Truth, 100%, The Pyramid Game and We Love TV.

Gregor Clegane: 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).

2012 World's Strongest Man: 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.

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".

2014 World's Strongest Man: 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.

Eddie: Strongman: 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.

Supporting paragraphs: Hafþór Júlíus Björnsson Gregor Clegane
Answer: Gregor Clegane