Lou Ferrigno | 70 years old

Lou Ferrigno is the epitome of thriving despite a disorder. As a child, he had already suffered from permanent hearing loss. This disorder was used by his schoolmates to make fun of him. However, he dealt with the trauma by involving himself in bodybuilding and weightlifting. Through his efforts, Ferrigno went on to dominate Teenage Mr. America.

He also conquered the Mr. Universe and Mr. America titles two consecutive times. In Mr. Olympia, he had a famous rivalry with Terminator star Arnold Schwarzenegger; while the latter won the title, their rivalry was immortalized into print and film entitled Pumping Iron.The muscle man capitalized on his fame by appearing in the television series The Incredible Hulk back in the 80s. He also takes the credit for appearing in The Adventures of Hercules.