To change your username, click here
and follow the instructions. You must use a minimum of 5 and a maximum of 20 letters or numbers in your username. The name cannot start with a number and cannot contain any spaces or punctuation and it must be lowercase. Remember, too, that usernames must be unique, and once changed, they cannot be changed back to their original name. Please also note that changing your username will retroactively change the username that appears on all of your previous posts.