Mangie —> Teki
Source: Teki.
I was a theatre technician when I took the nom. Then I was in software development, so it still worked. Now I'm retired and I'm too old to change. By the way, I used TEKI as the PIN for my first ATM card. (It's not what I use now, so stealing my present ATM card won't do you any good. Sorry.)
TEX-MEX with MEKI (now LUCIFER)
Currently editor of the Enigma.