So. We’ve got Andy Devine, John Daker, Telly Savalas, Arthur Brown, Mrs. Miller, Industrial musicals, H. R. Pufnstuf {featuring Jack Wild}, Leona Anderson, Charles Bronson, and The Wombles {the creation of pop svengali Mike Batt}.
Addendum: Recently added are immortal performances by James Brown, Eric Violette {Free Credit Report commercial}, and two from Beat of the Traps {Song Poems}.