"The creator of "The Rook" comics claims King's protagonist, Roland Deschain, is based on his main character, Restin Dane. He says Deschain has striking similarities to Dane other than just their initials -- both are "time-traveling, monster-fighting, quasi-immortal, romantic adventure heroes."
http://www.torontosun.com/2017/03/29...ower-character
http://www.tmz.com/2017/03/28/stephe...-infringement/
http://www.dailymail.co.uk/tvshowbiz...ased-Rook.html
Probably nothing, but interesting anyway.