Roby started in radio at age 15 in Ocala on WTMC. He moved to Miami and was a newcaster on WCKR (later WIOD) and followed Rick Shaw to WQAM. He was known as "The Big Kahuna" on WQAM and very popular with the listeners. His complete biography is at Roby Sherman's website dedicated to Roby Yonge at http://homepage.mac.com/tikimac/moof/robyyonge/ . This site contains numerous old photos of Roby taken by his father Bob Sherman when he was at WQAM and at South Beach on surfboards.
Roby Yonge died in Miami of an apparent heart attack at age 54 on July 18, 1997.