Lou Ferrigno Sr. is an American actor, fitness trainer, fitness consultant, and retired professional bodybuilder. Ferrigno started weight training at age 13, citing body builder and Hercules star Steve Reeves as one of his role models. Because he could not afford to buy weights, he made his own using a broomstick and pails which he partially filled with cement.

Ferringo found immediate success right after graduating highschool. As a bodybuilder, Ferrigno won an IFBB Mr. America title and two consecutive IFBB Mr. Universe titles, and appeared in the bodybuilding documentary Pumping Iron. As an actor, he is best known for his title role in the CBS television series The Incredible Hulk, a role he first landed in 1977. Over the years, Ferringo vocally reprising the role in subsequent animated and computer-generated incarnations. He has also appeared in European-produced fantasy-adventures such as Sinbad of the Seven Seas and Hercules. He also appeared as himself in the sitcom The King of Queens and the 2009 comedy I Love You, Man. 

On June 2012, Ferrigno was sworn in as a reserve deputy to the San Luis Obispo County, California, Sheriff's Department. There he completed his level I law enforcement academy, bringing his training up to full peace officer status. In September 2013, Ferrigno was sworn in as a special deputy to the Delaware County, Ohio, Sheriff's Department. In May 2018, President Donald Trump appointed Ferrigno to be a member of his Council on Sports, Fitness & Nutrition.