Schwarzenegger began weight training at the age of 15. He won the Mr. Universe title at age 20 and went on to win the Mr. Olympia contest seven times. Schwarzenegger has remained a prominent presence in bodybuilding and has written many books and articles on the sport. Schwarzenegger gained worldwide fame as a Hollywood action film icon. He was nicknamed the "Austrian Oak" and the "Styrian Oak" in his bodybuilding days, "Arnie" during his acting career and more recently "The Governator" (a portmanteau of "Governor" and "The Terminator" – one of his best-known movie roles).

Sixty four year old Hollywood movie stuntman Rock Taylor drives through a huge sheet of glass at the 02 Arena on September 13, 2011 in London, England. The stunt was performed in an attempt to break a previous Guinness record to “break through the Largest breakaway glass structure in a car”. The stunt was to mark “Remember a Charity” week, which aims to encourage more people to leave gifts to charity in their will. (Photo by Dan Kitwood/Getty Images)

A general view of atmosphere during 2016 New York Comic Con – Day 1 on October 6, 2016 in New York City. The annual event offers pop culture fans exhibitors and displays of popular video games, movies and comic books and many people attending dress as their favorite character. (Photo by Daniel Zuchnik/Getty Images)

Laura Titch, dressed as Mary of Guise, and Duncan Maclachlan, dressed as Alexander of Stewart, rehearse for Stirling Castle's grand renaissance palace opening on June 3, 2011 in Stirling, Scotland. The palace has been closed for two years, while a Ј12 million pound project was undertaken to return the palace to how it might have looked back in the 1540s, when it was home to Mary of Guise, the widow of James V. Their daughter, Mary Queen of Scots, was raised there before living in France. (Photo by Jeff J Mitchell/Getty Images)

John Gourley leans out of the cab of Goliath, one of Europe's largest cranes on September 20, 2011 in Rosyth, Scotland. The crane will begin the assembly of the Queen Elizabeth Class aircraft carriers later this week, when it lifts the first section of the two deck high 8,000 tonne centre block, which includes a section of the flight deck. The lift will mark the start of the Rosyth shipyards assembly of the first of two 65,000 tonne vessels the largest warships ever built for the Royal Navy. (Photo by Jeff J Mitchell/Getty Images)

Parade Marshall Captain Gary Tomlin gives a command during a Remembrance Sunday parade through Fulham in West London, Britain November 8, 2009. Every year in November, villages, towns and cities across Britain honour those who have lost their lives in war on Remembrance Sunday. While Queen Elizabeth leads tributes at a national service of remembrance at The Cenotaph war memorial in central London, various neighbourhoods also hold their own local marches and memorials. (Photo by Kevin Coombs/Reuters)