Kemal Amin "Casey" Kasem (/ˈkeɪsɛm/ April 27, 1932 – June 15, 2014) was an American disc jockey, music historian, radio personality, actor and voice actor. He was the host of several music radio countdown programs, notably American Top 40 from 1970 until his retirement in 2009, and being the first actor to voiceNorville "Shaggy" Rogers in the Scooby-Doo franchise from 1969 to 1997, and again from 2002 until 2009.