Cartoon Network/Number of the Day 20 (from Sesame Street)

Cast

 * Dexter (from Dexter's Laboratory) as Count von Count
 * Ed (from Ed, Edd 'n' Eddy), Edd (from Ed, Edd 'n' Eddy), Eddy (from Ed, Edd 'n' Eddy), Blossom (from The Powerpuff Girls), Bubbles (from The Powerpuff Girls), Buttercup (from The Powerpuff Girls), Johnny Bravo (from Johnny Bravo), I.M. Weasel (from I Am Weasel), Dee Dee (from Dexter's Laboratory), Billy (from The Grim Adventures of Billy and Mandy), Mandy (from The Grim Adventures of Billy and Mandy), Grim (from The Grim Adventures of Billy and Mandy), Numbuh 1 (from Codename: Kids Next Door), Bloo (from Foster's Home for Imaginary Friends), Lazlo (from Camp Lazlo), Chowder (from Chowder), Jake (from My Gym Partner's a Monkey), Mordecai (from Regular Show), Finn the Human (from Adventure Time) and Ben Tennyson (from Ben 10) as Pipe Organ