I used to love dogs and hate cats. Then a really cool cat acquired me as a pet. Now I find I prefer the challenge of a cat to a slobbering dog.
>> cross between a cat and a vat.
Actually, he's the folk-hero cat that's trying to defeat Budweiser's attempt to market a cat-flavored beer*. There's a book about him escaping from the first trial batch:
"The Cat in the Vat Strikes Back".
* And you know this is true, because some recent Budweiser products taste like cat ----.