The search function might have helped you, my friend.
You can try to create a new char and contact the CSRs to kick your otehr chars.
I had it once that I forgot to log off the forums (during the HTTP: Error 500 stuff) and it said "Account already in use", I logged back to the forums, logged out, and then I could log on.
Otherwise, contact a TSR via the forums. What you pretty much did already. Actually.