Yeah, you need to follow the instructions in the link I posted above. You can post or PM the signed message from this account to the admins etc, just make sure all the relevant info is included or it'll likely be ignored.
I have to sign a message using a Bitcoin address or PGP key associated with the account. I do have a Bitcoin wallet, but I don't think any wallets were ever associated with my account. I also never heard of a PGP key.
My old profile is here:
https://bitcointalk.org/index.php?action=profile;u=91888
Probably Im not getting it back am I...