PHILADELPHIA -- Jerry Blavat, the legendary disc jockey known as "The Geator with the Heater" and "The Boss with the Hot Sauce" has died, Action News has learned. He was 82. ......Born in South Philadelphia to a Jewish father and Italian mother, music ran through his veins from childhood. "The Geator" was widely known as one of the early rock-and-roll DJs who revolutionized the profession and developed the "oldies" format.