I only know that it was a graphic novel because i noticed the names of the writer and artist. John Wagner was a writer for Sandman Mystery Thteatre (DC Comics) and Vince Locke is notorious for his Cannibal Corpse Album Covers. Im sure the screenwriters changed a few things,and the lack of knowledge from Cronenberg is probably a good thing meaning he didnt read the graphic novel which means he couldnt get the chance to potentially fuck it up. His last good movie before this was Dead Ringers.