With what are you okay?

This occured to me in the chat room, and I could have asked it there, but with people in and out, it would require quite a lot of re-asking and re-answering.
We like to shorten each other’s names, but some of us have preferences.
Do you have (a) preference(s), and if so, what do you feel okay with?
Someone called me J4B in the CR, and I thought it was terribly clever. Who has time to type Jonesn4burgers? Even Jones is long for typing in the now.