2. Bashir (even though I don't like the genetic engineering thing, I think he's developed very well over the years)
4. Jadzia Dax
5. Gul Dukat
I had thought this thread was favorites and least favorites, but I was wrong, but I really need to say that my least favorites (just to get it off my chest
The O'Brien family...yes...all of them. I groan whenever I see its an O-Brien centric episode...they are almost as annoying as a Bajorian centric episodes to me.
But that's all just my opinion, I'm sure others like them more than some of my faves.