Cats are awesomely weird.  I had one who would play fetch with bottle caps.  I had another  one who would find cigarette butts and chew on them, I appropriately called him "Smokey".  I thought I was going to have to put him on 'the patch' to get him to quit, but that's another story.

Another one of my cats ran away but I found him after a newspaper reporter took a photo of him and put it on the front page of a newspaper (TRUE STORY).  This cat apparently hates the DVD player on this computer. Why?  Who knows, it's a cat and like I said before, they're weird.