Display Username bug
45948
Meta SE account is shown 3 times in accounts
24316
Usernames vs. Real Names
58684
Best Practices in Username Standards: Avoiding Problems
115351
Login screen characters all question marks, login info isn't working
24874
Ugly "Next Privilege" text on user activity page
1631
How can I change displayed name as sender?
20114
Why are usernames allowed to be composed entirely of non-visible Unicode characters?
134187
Name finding problem with comment notification feature
47776
Bug in iOS app dealing with certain Unicode characters
66780
How do I find out my username while locked out of my account
54964
How to change "Your name" label in comments form?
147029
Possibly offensive usernames
55017
How do I show a message with username and date at login?
136282
What characters should I use or not use in usernames on Linux?
114072
Why does my user number show up in the search box when clicking my profile information?
133782
I want to show only 2 names at a time from a list and then clicking on a button next 2 names comes up but there is a bug
72384
How to set the display name for group members in Google Groups?