Is there a way to change my screen name on the forums?
It’s very simple: You register a new name under a new e-mail address. After a few days you hopefully get an e-mail that your new account has been approved by the moderator. Done! What’s wrong with “Bradleyz”?
He wants to put “Bradleyz,CFA” so there is no confusion 
Got married and is taking his wife’s surname? Now he’s Bradleyp