User blog comment:Otakon7/Otakon7's Buddyfight Simulator/@comment-7700533-20140726182535/@comment-2234004-20140726190149

It's a bug that has to do with timing (I won't go into detail to avoid exploits) and the "null" is actually an empty name value which is listed as "null" since the server was unable to get his name (since he's an irregular).

Well, I think I know of a way to deal with this issue.