Findings:
- username (user)
- Advice on Choosing a Username
- new username (user)
- I am Jack's username (user)
- the "username taken" bug (collaboration)
- username clashes (user)
- username:) (user)
- username 99 (user)
- I can't tell you my username because I know you too well
If you Log in you could create a "usernames" node. If you don't already have an account, you can register here.