Is Tigger still copyrighted?

Could you please clarify the current copyright status of the character Tigger? Is it still protected under copyright laws, or has it expired, allowing for its use in various forms of media without permission from the original creators? Additionally, if it is still copyrighted, could you elaborate on any specific guidelines or permissions that need to be obtained in order to use the character in a commercial or non-commercial setting? It would be greatly appreciated if you could provide a concise yet informative answer to this inquiry.