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Jasper is commonly portrayed as a rather goofy redneck dog. In the days of the Pizza Time Theater he would uncontrollably laugh at almost any joke.
Jasper originally appeared at the original Pizza Time Theatre location in 1977. In the beginning, Jasper was voiced by Scott Paulin, who portrayed him as a goofy-sounding redneck. According to a Showbiz Pizza Time Inc. audition, he was formerly from "the hills of West Virginia". He was often shown to annoy the other characters. Beach Bear's animatronic from ShowBiz Pizza Place, was retrofitted into Jasper during Concept Unification in 1990.