The only anime I'm currently watching is Shugo Chara so the opening theme would be the answer to this. I like the original theme song one, the first one. I don't care for the other openings and I don't care for any of the ending themes.
Excluding the movies and the ones I don't remember since I haven't watched in a long time, not mentioning that I have recently completed a number of animes meaning that most of the animes on my "currently watching" list are ones that I have yet to watch. Thus, here are my favorite ones as of now:
formosan said: Are you using some kind of advanced logic I don't know about? Have you decided to assign new meanings to English words? Are you just intentionally burning a straw man and knowing full well that you're changing the subject and misrepresenting a claim?