I usually put a lot of thought into my character names, but when I made my Druid, I never actually expected it to become my main. Thus, I just named it after my friend's character from FFXI who wanted me to create it. So I got stuck with something I didn't intend, but it actually turned out to be pretty decent. I named it "Xandamoon" (Female Night Elf). "Xanda" can be looked at as an interpretation of "Xanadu" meaning "an exotic place", and moon is self explanatory, and relates to the Druid class. So yeah, haha.
Anywho, best Druid name I've seen thus far is "Animality". I'm really not a big MK fan, but the relation between the name and class seems fitting on so many levels. I personally hate the stupid names (i.e., WillFeral, etc. - no offense if you have one) as well as lame sounding names for the sake of meaning/RP'ing (I know, that rules out about 90% of the names). Animality was extremely fitting, and didn't fall in either of the other 2 categories I mentioned. So I guess that's why I like it so much.