Can't see in issue. Call yourself what you like. If you get bored with your name change it. If you want 2 or 3 accounts then have them. That way you can talk to yourself so people think you have friends.
I have 2 accounts on one of my forums. I use one account to be 'one of the lads' and one in my role as admin. Its quite amusing when I moderate a post and then get a PM from the offender to my user account telling me what a nasty person I am for doing so.
I was just going to ask what happens with people with multiple personality disorders!!!