This is the most frightening haunted rubber-ducky story I've ever heard. Ok, so it's the only haunted rubber-ducky story I've ever heard. The good news is though, you can bid on it and purchase this little bundle of yellow evil for yourself:
URL: Rubber Ducky, Unbelievable story, Haunted? Possesed?
Incidently, I found this story through peat who happens to have a haunted toy story of his own.
We have a toy that won't seem to go away either. It's a toy whistle that's shaped like a race car that keeps turning up, no matter how many times we think we have hidden or thrown it away. It's not haunted or anything though, just annoying.