a question to the stats-god: why do we have 3 "Mustard"s on http://stats.free-dc.org/stats.php?p...7&team=Free-DC ?

From the numbers produced, these 3 look like the same man:
"Participant #473,297" --> http://stats.free-dc.org/stats.php?p...=473297Free-DC
"Mustard" --> http://stats.free-dc.org/stats.php?p...=471588Free-DC , http://stats.free-dc.org/stats.php?p...=473390Free-DC , http://stats.free-dc.org/stats.php?p...=475132Free-DC (which seems to be the most recent)