Well, I was looking for a word or name for something quite a while ago, and decided just to open a dictionary and randomly point to a word. The word I pointed to was pretty dumb, but the one right above it was Perdition, and it seemed like an interesting word to pick. At the time, I was young, and anyhting to do with death was "cool" added to the fact that I'm an atheist, it just seemed ironic and "cool." Since then, I've kept it for the irony more than anything.
I also go by QBCPerdition (sometimes with an underscore between the C and P), which is what I use when Perdition is already taken, since I can basically guarantee that QBC won't be used to precede that word by anyone else.