There is no "rainwarrior" in this list:
However, if I attempt to create an account with that name, it tells me it already exists. Trying to log in with some very probable passwords says the password is wrong. Trying to recover with what I thought were probably the e-mail addresses used tells me those e-mails weren't used.
Also, I'm not sure if it was me that uploaded my game, but it says (unknown user):
Anyhow, I wouldn't mind having "rainwarrior" again, if it's not difficult, but this is a very mild request that I wouldn't want you to go out of your way to fulfil.