I've been asked this question a lot of times!
The character string 'azymux' does not mean a single thing. I used to have a variety of different online names. I became frustrated with being ematthews0, ematthews1, ematthews48 and decided that I wanted a consistent online identity. To come up with the new username, here were my requirements:
In the end, this name matched all the requirements and is now a pretty consistent identity for myself online!