Blindly Selected Treehouse TV Characters/I Believe We Can (from Phineas and Ferb)

Cast

 * Backpack (from Dora the Explorer) as Clay Aiken
 * Rainbow Dash (from My Little Pony: Friendship is Magic) as Chaka Khan
 * Max (from Max and Ruby) as Phineas Flynn
 * Cookie Monster (from Sesame Street) as Ferb Fletcher