There are a number of theories about the real killer in The Blair Witch Project, but the most commonly accepted is that the Blair Witch lured Heather and Mike to the house and killed them.

While The Blair Witch Project's sequels totally discount the possibility that Mike and Josh killed Heather, a closer look at the original movie's details also proves that the pair are likely innocent.

Jason Voorhees also kills 21 people in Freddy vs. Jason, with four kills performed by Freddy Kruger in the majorly successful crossover film.

He matched this figure in the space-set Jason X before finally wrapping up with the vast majority of Freddy vs. Jason's 21 kills. Specifically, 20, leaving Freddy only with his torturing and inevitable evisceration of Mark Davis.