Passed-on cast members

As much as we enjoy the characters we use, some of them have been voiced and/ or played by celebrites who are sadly no longer with us, but have succumbed to the Grim Reaper. It is with heavy hearts that we salute our fallen cast members:
 * David Bowie
 * Adam West
 * Sir Christopher Lee
 * Leonard Nimoy
 * Daws Butler
 * Mel Blanc
 * Chris Wiggins
 * Alan Rickman
 * Carrie Fisher
 * DeForest Kelly
 * Robin Williams
 * Heath Ledger
 * Christine Cavanaugh