In literature, graphic descriptions of menace and dismemberment by monsters are as old as Beowulf and much, much older still, though it wasn’t until Horace Walpole’s 18th century novel The Castle of Otranto inspired the gothic romance novel that horror-qua-horror came into fashion. Without Walpole, and better-known gothic innovators like Mary Shelley and Bram Stoker, we’d…