What's the real name of this person?

Question: What's the real name of this person!?

His nom de plume is Fred Porlock and he is a character from fiction!.
Guess what his real name is!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

‘Fred Porlock’ is a lieutenant of Professor Moriarty’s in
"The Valley of Fear" but there is a theory that he is actually Moriarty himself!.Www@QuestionHome@Com

James MoriartyWww@QuestionHome@Com

Mr!. Burlson!?Www@QuestionHome@Com

Paul PlasmaWww@QuestionHome@Com