What would be a good name?

I'm writing a story where the main character is a perky, lovable, sort of childish, really pretty, fun, fairy girl. :) All the fairy's names are nature-like, and I think I want her name to be either Azalea with Aza or Az for a nickname, Cricket, Elf, Bluebell with Blue as a nickname, Snowdrop with Snow as a nickname, Tansy, Posy, or Pansy. Which do you think? I can't decide!!