Mickey's Christmas Carol included characters from the 1949 animated package released by which company?
Mickey's Christmas Carol:  Many other Disney characters, primarily from the Mickey Mouse universe, "Robin Hood", and "The Adventures of Ichabod and Mr. Toad", were cast throughout the film. The Adventures of Ichabod and Mr. Toad: The Adventures of Ichabod and Mr. Toad is a 1949 animated package film produced by Walt Disney Productions and released by RKO Radio Pictures.
RKO Radio Pictures