<P> The Jell - O plant in Mason City, Iowa, produces America's supply of ready to eat Jell - O gelatin dessert and pudding cups . </P> <P> Jack Benny's top - rated radio show did not break for commercials . Instead, announcer Don Wilson incorporated speeches about Jell - O into the program at appropriate places, to Jack's feigned comic annoyance . Lucille Ball's My Favorite Husband, the radio predecessor to TV's I Love Lucy, was another popular program sponsored by Jell - O for much of its 124 - episode run . Ball's character Liz Cooper often opened the program with the lively greeting "jell - o everybody!" </P> <P> Comedian Bill Cosby is associated with Jell - O and, more famously, Jell - O pudding, and he appeared in many commercials promoting both . Shows like Mad TV, The Simpsons and Saturday Night Live parody Cosby, using Jell - O references like "pudding pop". In the 1960s, the cast of the sitcom Hogan's Heroes did a commercial with Carol Channing featuring Colonel Hogan, his men, Kommandant Klink and Sergeant Shultz having Jell - O and Dream Whip for dessert . Also, in the first few seasons of the first of Lucille Ball's two 1960s television series, The Lucy Show, cast members including Vivian Vance often did commercials for Jell - O . </P> <P> In 1995, Jell - O carried the tagline "It's alive!" and had the phrase "J-E-L-L - OOOOOOO!". </P>

Who appeared in commercial of jell-o brand products
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