Ah, mine is the wholly unfortunate cross between Marvin the Martian (Duck Dodgers in the 25th-and-a half century ring a bell?) and Ambassador Kosh, from B5.
I've stuck with it for a while now.... must be a couple of years or so
I guess I just like the notion of using it for everything, from my e-mail address to all my screen names, to my actual writing pseudonym. It's not quite as funky as Calvin Klein, but it'll do