Contest re Johnny Mains' collection Will Anyone Figure Out that this is a Repackaged First Collection?

In a brilliant satire of some aspects of modern horror fiction, in The Duel Johnny Mains has created one of the strangest characters he has ever written about: The Duke.

Can anyone guess who the Duke is meant to be? 

A free copy of any book published by Parallel Universe Publications for the first correct answer.  

trade paperback:
Amazon.co.uk  (£6.72)
Amazon.com  ($9.99)
ebook:
Amazon.co.uk  (£2.05)
Amazon.com  ($3.00)