[2] Keeshan was succeeded by Robert "Nick" Nicholson,[3] who also played the character of J. Cornelius Cobb on The Howdy Doody Show.
Anderson returned to play Clarabell in the short-lived 1976–77 New Howdy Doody Show and in the 1987 40th anniversary special, and in later years in many personal appearances with Buffalo Bob Smith.
In addition, Dayton Allen, Bill LeCornec, and others played Clarabell in the early years if Keeshan was busy doing something else for the show.
In season 2, #33 of Happy Days, Richie Cunningham is able to get a candid shot of Clarabell (played by Robert Brunner) without his makeup, but chooses to destroy it after Buffalo Bob personally asks him to keep the actor's face concealed from the public.
Buffalo Bob Smith and the Kids of the Peanut Gallery sang a song about Clarabell, sung to the tune of "Mademoiselle from Armentières".
His lips quivered as the camera slowly moved in for a close-up on his face; a drum and cymbal roll grew louder and abruptly stopped right before Clarabell whispered, "Goodbye, kids.