i have a question about IGN

How do some people put a ? in their IGN? For example, I've seen a guy named HD? and RQ?

Is it possible to do this when you first set up an account or do you need to do the ZP IGN reset?

Also, how?/

I Onno/ Try making a new account and doing it

idk. but i read about something where you buy a name change, then go into yourcrossfire folders and put some kind of character that shows up as a "?" in game. not sure =/

Do you guys know where to find account sell?