Horror and comedy thrive on two sides of the same spectrum. Without digging too deep into genre theory, a huge amount of comedy comes from watching someone else suffer in amusing ways. Slapstick mines physical pain for laughs, satire makes mincemeat out of its subjects, and theatre scholars have literally spent centuries debating whether comedy can exist without someone suffering as the punchline. In film, the relationship is even tighter. After all, a cinema is built around timing and tension, but no two genres play with the sense of buld-up and release with such similar structure as horror and …