When you change your username if its something new or something, it could have a icon, saying also known as, take V89 as a example (aka casstroller) could have a icon u can hover, saying Formerly Known as Casstroller, or like Also Known As.
Canadagraphs
This would be a HUGE help in trying to figure out people you see who seemingly "come out of nowhere" but actually have been on the game for a year already by a different screen name.
