If I had to pick one I'd say my favourite character was Sam, though. He didn't have very many passions in life (probably only two: women and baseball) but he never stopped thinking about them, and there's a funny quality to a guy who's not ashamed to admit he's that single minded. You could mostly predict what Sam was going to try to do each episode, he'd attempt to get each of his head barmaids to sleep with him. The comedy in that comes from the many diverse ways he planned to do this, and that no matter how many times he was rejected or foiled, he kept coming back. You've gotta admire a guy for trying, and Ted Danson is famous for playing most of his material in such an easy and relaxed manner that it's hard at times not to pull for him to succeed.
I for one would like to say "Cheers!" to the creators and cast for blessing us with such a great show.