Yeah I don't remember all of them but for instance, Kanga and Roo are co-dependent, Tigger is bi-polar, I think it's Piglet that's OCD... you get the idea.
Crazy from a children's book.
Eeyore is manic depressive.
Are you not aware that all the characters in Winnie the Pooh represent psychological disorders?
In fairness a lot of people don't know that.
Honestly he doesn't deserve eeyore anyway. He's my favorite psychological disorder.
I'm sure there's someone more sad and pathetic we could think of. But maybe, just maybe, Luke is the worst.