Sesame Street/Winnie the Pooh

Cast

 * Big Bird as Winnie The Pooh
 * Snuffy as Piglet
 * Cookie Monster as Eeyore
 * Elmo as Rabbit
 * Grover as Tigger
 * Ernie as Roo
 * Rosita as Kanga (both have names ending with "a")
 * Bug as Gopher
 * Oscar as Owl (both have names starting with "O")
 * Bert as Christopher Robin
 * Prairie Dawn as Darby
 * Kevin (from Ed, Edd n Eddy) as Nasty Jack