Account lost and delete account

Is there any way to get my old account? i forgot my username but if i remember well i registered it. I have access to my old brother account is there any way to delete it in order it does not count to the 3 accounts per IP?

Thanks in advance

@Chris

thanks i'm now on IRC talking with Telamon

Welcome back!

Thanks i could not recover the account yesterday, i will try to contact with an admin again today.