Man, am I older than everyone on this board? o_O I'm only 22...
Anyway, I go by lots of different names but lately this one has stuck with me. It's really simple--Mercury for Sailor Mercury (I love the live action Sailor Moon) and Zelda for, um, Princess Zelda. Plain as that, really.
I also went by And40FeetRemain for a while, which is a reference to one of my favorite Franz Ferdinand songs, "40'".
My real name is Emily and I have about 50 nicknames which correspond to that. I don't try to come up with anything based on it for websites, though, as there's been an explosion of people named Emily within the last decade. I used to be unique