From Zappa Wiki Jawaka
Soupy Sales (born Milton Supman, January 8, 1926 - October 22, 2009) was an American comedian.
He was trained as a journalist and wrote scripts for radio shows. While he worked in night clubs he gained experience as a comedian. In 1950 he moved to Cincinnati and started his TV career. He presented one of the first TV teenage music shows, "Soupy's Soda Shop". In 1953 he moved to Detroit where he became one of the better known TV presenters in the U.S.A. In 1960 he moved to Los Angeles where his Friday Night "Soupy Sales Show" became a top rated show. One of the most notorious segments featured Soupy Sales throwing custard pies at his guests, which included celebrities like Frank Sinatra and Sammy Davis, Jr.
By 1965 he had moved to New York where he established another top rated TV show. He had a novelty hit with the song "The Mouse".
Link with Zappa
Sales joined the panel of "What's My Line?" in 1968 and guessed Zappa's identity on 23rd September 1971 while the rock artist was a special guest on the show.