Question: Bloody Mary is the title of a series of science fiction comic books written by a Northern Irish-born naturalized American comics writer, who is best known for the Vertigo series Preacher, with what artist?
Sentence (from "Garth Ennis"): He has collaborated with artists such as Dillon and Glenn Fabry on "Preacher", John McCrea on "Hitman", and Carlos Ezquerra on both "Preacher" and "Hitman".
Relevant evidence: No