CONSTANTINE, which incidentally I loved, was based on the Vertigo comic “Hellblazer”. In the film version John Constantine is a supernatural detective who exorcises demons and rolls around with Shia LaBeouf in a cab. His charge in the film is to investigate the apparent suicide of some chick, while also battling a bunch of nasties from hell. He is also a chain smoker, and while no concrete explanation is ever given for this, my theory is that he was distraught that he was unable to save Rachel Weisz’ twin sister, and thus lost his shot at the holy grail of sexual adventure: twins that looks like Rachel Weisz.