Why is there another user with the same name as mine?
33449
Why does Stack Overflow allow duplicate display names?
33805
Migrated question's answers can be upvoted twice by the same user
110665
Top user leagues shows wrong top user
60924
What is the view on accounts shared by multiple users on Stack Overflow?
12919
Why are there folders in /Users of already deleted users?
140353
Why is my account appearing on SO top users?
124799
Why are some usernames on comments not a link to user profiles?
152941
username different in Terminal and System Preferences
85756
How to find users by name
124417
Community User has just 1 account?
97959
Something weird is going on with my login on at least one site
105400
What should we do about *identical* cross-site duplicates? (i.e., copy-and-paste cross-posting)
84748
The user name remains displayed when selecting another site (tablet device only)
136322
Same e-mail user, different address?
144007
User was removed - Why does it affect me?
35970
Is there a word for someone with the same name?
44467
"Posts edited" on my profile is not the same as "edits" in users list