Thread:FernFTW/@comment-32364831-20170307012743/@comment-27169623-20170307015428

Community Central is a section of the Wiki Activity page where admins can write a message that will be shown to all users who look at that page.

You can only change your account name once, once you've changed it it's stuck like that. I forget exactly how to change it, but I can look into that if you'd like.