I have never heard the puppy story, certainly not attributed to Alice Cooper. Supposedly the chicken incident actually got recorded, though you can't hear it:
Prindle says that's a ripoff so I'm a-gwine ta believe him.
I laughed at Keith Richards smoking his father's ashes, as far as rumors go.
Ozzy blew up a monkey? What, biting the head off of two separate animals wasn't good enough for him? No wonder he has Parkinson's.