we have loads for kai..here are some...
bob, bobby, Bobby hillory, hillory, Kai-key, PiKAIchu, Kai-ko, Kai-ba, pup, buddy, Kachoo, Kai-choo, kai-kooo, HEY YOU!

I have no idea why we started calling him bob, bobby, bobby hillory...My brother watches king of the hill so..he just started calling him bobby...and i caught on...