Who owns the original Winnie the Pooh?

Who can claim ownership of the original Winnie the Pooh character? Is it the creator, A.A. Milne, or perhaps the illustrator, E.H. Shepard? Or does the copyright belong to a publishing house or media company that has since acquired the rights? It's a fascinating question that delves into the complexities of intellectual property and the evolution of beloved characters over time. With so many hands involved in bringing Winnie the Pooh to life, who ultimately holds the keys to the honey pot?