no ida what so ever... i will let u kno i n couple of days....
Just make sure you don't have your year of birth in it, always so tacky and cliche
Don't have mac in the title, you'll be constantly ridiculed for it, Xbox users = windows users = windows fanboys...
You could have a nickname, or a variation on a nickname?
Or just set it to whatever, it's Xbox LIVE, you're going to be insulted and made fun of no matter what you do