History of your nickname.

What's the point of inventing a nickname? It's better to proudly bear your own name... So, in my case, it's derived from Denis, but in a Greek style (closer to Dionysius). And then, of course, you have to add various suffixes when the nicknames are already taken, like "M" from the name of the city (no, I'm not from Moscow!).
So, in the end, it turned out to be Denis from M...