(From ABC News.com)
Broadcast legend CASEY KASEM, 77, ended his AMERICAN TOP 20 radio show after 39 years counting down the hits on the air.
Kasem was an architect of the countdown format and gave voice to countless commercials and cartoon characters, including SCOOBY-DO sidekick SHAGGY.
He was inducted into the RADIO HALL OF FAME in 1992.
Casey Kasem Counts Down For A Final Time
[Keep your feet on the ground, and keep reaching for the stars.]