My screen name comes from my given name "Michael" and the nickname I used for most of my life "Mike". I am a fan of the late, great Douglas Adams and have just about every published variation of the Hitchhikers Guide to the Galaxy. I have friends whose 20 something kids have known me as "Mister Mike" since they took their first steps. A few years ago, purely by chance, some of my younger coworkers also began calling me Mr. Mike.
When I decided I needed an online identity that no else had, I discovered that I could combine 2 things; my love for HHGTTG and Mister Mike. There is a plot point near the end of the first book where this question is asked, "What do you get when you multiply 6 by 9?". The answer to that question explains a lot about this world ....