Community Wiki posts don't change usernames if the user does
19126
Old usernames stick to Community Wiki posts
35157
User Information List not sync'd with User Profile database
18804
What happened with Community♦'s network profile
20391
What happened to this user's rep, badges, and name?
80586
A reputation change isn't being displayed on my profile
79698
The user who first created a tag wiki is treated as owner for suggested edits
153630
Names of close-voters are not visible in the post notice but in the revision history and timeline
17111
Why does the Community user have votes cast?
7110
How can I change my name on a Stack Exchange site?
149736
"Join this community" doesn't appear for sites not subdomains of stackexchange.com
86885
Why do some users have username "user########"?
88771
Is there a way to remove community wiki status?
134414
How to deal with invalid, but still community-approved edits?
86451
Are usernames required to be unique?
99513
postfix - how to prevent users from sending with another users name
41756
If I change my display name, will the change reflect in comments?
144982
Certain usernames not displaying at all