If it is Dorian! awesome... I don't believe that a person/s that knows enough cryptography and computer science (in the early 2000), with a projection to the future of over 100 years will use anything to point back to themselves.

Every other fingerprint that Satoshi could have left, was never found or pointed nowhere... I can't believe that using his actual last name was a coincidence or something Satoshi did not think of.