I'm a software engineer living in Seattle, Washington, though I'm originally from Salt Lake City, Utah. I've been editing Wikipedia for a while before registering an account — back in 2002 I created the initial stubs for Jack the Ripper, Charles Manson and Sandra Day O'Conner. You can't quite find low-hanging fruit like that any more.
I used a random word generator to figure out a user name, and after a few iterations of uninteresting word combinations it generated "Turtle Guillotine." I immediately knew it to be a winning moniker.