Wham-O Inc. is a toy company currently located in California, USA. They are known for marketing many popular toys, including the Hula Hoop, the Frisbee, Slip 'N Slide, Super Ball, Super Stuff and Trac-Ball.
Richard Knerr and Arthur "Spud" Melin, two University of Southern California college graduates unhappy with their employment, began the company in 1948 as WHAM-O Mfg. Co. in the Knerr family garage in South Pasadena, California. When they outgrew the garage they rented a building on S. Marengo Ave in Alhambra, California. The company eventually moved its manufacturing plant to neighboring San Gabriel, California.
