I'll play around with it. Even if exclude him successfully not sure what's gonna happen if he changes his name again. Hopefully it's based on user ID somehow.
You can just copy/paste his whole name, and it is stored as a user ID.
Actually, users keep both usernames it might be helpful to know...
It's essentially just a link that gets created. Blazed, vod and anduck can still be contacted via pm by using their old usernames.