I'll submit that I'm another Scotty fan. Who can't like that old Aberdeen pub crawler?
Kirk - He always seemed a little too arrogant for my tastes.
Spock - Easily my second favorite, his wise cracking remarks were fun, but at times somewhat irritating.
McCoy - He was enjoyable, but often struck me as less-than-vaguely racist towards any non-Humans.
Sulu, Chevok, Uhura - None of them had enough screentime for me to either like or dislike them.