Possibly 4 accounts, almost positive it's at least 2
http://sythe.org/showthread.php?t=223318&highlight=Purexown
In this one, PurexOwn is clearly banned...thats fine.
http://sythe.org/showthread.php?t=271592&highlight=Purexown
In this one, some guy with 4 posts, says to add him on...