Moonscale

It is a 1975 film directed and written by Mr. Henry Teacherman from his first films Top Cat the Cat and Strong Hold-up, and produced by Oscar winning producer from The Skyfather, Arthur (The Sword in the Stone).
Cast
Spike - Brother Rabbit
Scooby Doo - Brother Bear
Pearl - Preacher Fox
Lyle (Nerds and Monsters) -
Elsa - Miss America
Christopher Robin - Pappy
Mr. Peabody - Randy