You are able to make a request to change your username whenever you want by contacting the the forum staff.
Please follow these instructions to request a name change:
Note: You must be logged in to the forum to make this request. This is so that we can be sure that it is a qenuine request from you and not somebody pretending to be you.
Your request then will be dealt with by a member of staff who will contact you again once the change has been made.