So a friend of mine has a little brother, who I've always heard referred to as Kody. In fact, I'd assumed it was Cody. But I learned recently that his name is actually short for Kodiak.
Interestingly enough, I wouldn't use it, but I don't hate it! The kid is adorable but pretty wild, so I'd say it fits him, as far as the whole grizzly-bear-associaton goes. Wdyt?