Knievel was born on October 17, 1938, in Butte, Montana, the first of two children of Robert E. and Ann Marie Keough Knievel. His surname is of German origin; his paternal great-great-grandparents emigrated to the United States from Germany. His mother was of Irish ancestry. Robert and Ann divorced in 1940, after the 1939 birth of their second child, Nicolas, known as Nic.

Between 1972 and 1977, Ideal Toy Company released a series of Evel Knievel-related merchandise, designed initially by Joseph M. Burck of Marvin Glass and Associates. During the six years the toys were manufactured, Ideal claimed to have sold more than $125 million worth of Knievel toys. The toys included the original 1972 figures, which offered various outfits and accessories. In 1973, Ideal released the Evel Knievel Stunt Cycle. After the release of the Stunt Cycle, the Knievel toys were the best selling item for Ideal.  During the next four years, Ideal Toys released various models relating to Evel Knievel's touring stunt show. The models included a Robbie Knievel doll, the Scramble Van, a Dragster, a Stunt Car, and the Evel Knievel The Stunt World. Additionally, Ideal released non-Knievel-touring toys, including a Chopper Motorcycle, a Trail Bike, and a female counterpart, Derry Daring. The last item before Ideal Toys discontinued the distribution of Knievel toys was the Strato-Cycle, based on the film, Viva Knievel!.  In 1977, Bally marketed its Knievel pinball machine as the "first fully electronic commercial game"; it has elsewhere been described as one of the "last of the classic pre-digital games." (Both electromechanical and solid state versions were produced. The electromechanical version is extremely rare, with only 155 made).  Knievel made several television appearances, including frequently as a guest on talk shows such as Dinah! and Johnny Carson's Tonight Show. In 1977, Evel made a guest spot on The Bionic Woman, where he played himself, getting inadvertently caught up in East German espionage while appearing in West Germany. Actual footage from Evel's L.A. Coliseum jump over crushed cars was used in the beginning of the episode, and an indoor jump over 11 cars and 1 van was used at the end of the film. Also in 1977, Warner Bros. released Viva Knievel!, a movie starring Knievel as himself and co-starring Lauren Hutton, Gene Kelly and Red Buttons. Similar to The Bionic Woman, actual footage from the Wembley jump was used in the movie. In addition, the 1999 children's TV series Hilltop Hospital featured a character based on Knievel called Weasel Kneasel, who was the focus of an episode of the same name. Answer this question using a quote from the following article:

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During the next four years, Ideal Toys released various models relating to Evel Knievel's touring stunt show. The models included a Robbie Knievel doll,