Kemal Amin "Casey" Kasem (April 27, 1932 – June 15, 2014) was an American musician, disc jockey, radio personality and actor, best known for being the host of the music radio programs American Top 40, American Top 20 and American Top 10 from 1970 until his retirement in 2009, and for providing the voice of Norville "Shaggy" Rogers in the Scooby-Doo franchise from 1969 to 1997, and again from 2002 until 2009.