Nothing. But administrator seems to sound very tempting to a lot of people.
'Admin' might cause less conspiracies...
As for your old profile, don't worry about it. Noone really cares if it still exists or not. But if you really want it deleted, you should contact Andy himself instead of starting a thread and hoping he sees it. That should work faster and it's more to-the-point, IMO.
http://www.cariad.co.za/twhl/userprofile.php?user=Andy