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 "Bloody Mary (Helix)"): Bloody Mary is the title of a series of science fiction comic book limited series written by Garth Ennis and illustrated by Carlos Ezquerra.
Relevant evidence: Yes