As a shared_user on the board you do not have the ability to change your User Name. If you would like your User Name changed send a Private Message to one of the Administrators with the name you would like to have. We will handle your request as soon as possible and send you a Private Message letting you know it has been done. Your name must be in blue first, and you get this by donating $5 to the site in your shared_user control panel.