You know, I am not even slightly surprised by this at all. I think we have all seen people evade bans, both here and on other sites (and IRC). Certainly the best you can do is play whack-a-troll and ban him everytime he shows up.
Surely we have better things to do, like crushing certain A-holes...
*coughTLBSHOWcough*
Pardon me for asking, but what did TLBSHOW do? Sorry, I was on my way in FR while he was in his final months...