Trying to solve this with software constraints may be more difficult then talking to them about it.
You might also get some mileage out of a report (e.g. with Data Explorer) that compares usernames with real names and flags them for you to look at.
Trying to solve this with software constraints may be more difficult then talking to them about it.
You might also get some mileage out of a report (e.g. with Data Explorer) that compares usernames with real names and flags them for you to look at.