1.Here's Freddy Krueger from A Nightmare on Elm Street vs. actor Robert Englund on set:
2.Here's Pennywise in the 2017 It movie vs. actor Bill Skarsgård during one of his auditions:
3.Here's Samara from The Ring vs. actor Daveigh Chase at the movie's premiere:
4.Here's the pale man from Pan's Labyrinth vs. actor Doug Jones at a screening of the movie:
5.Here's Jason Voorhees in Friday the 13th Part VIII vs. actor Kane Hodder at the Jason Goes to Hell: The Final Friday premiere:
6.Here's Leatherface in The Texas Chainsaw Massacre vs. actor Gunnar Hansen:
7.Here's Ghostface from Scream vs. the actor who voices the phone call conversations, Roger Jackson:
8.Here's the Lipstick-Face Demon from Insidious vs. actor Joseph Bishara at the movie's premiere:
9.Here's the Demonic Nun from The Nun (part of The Conjuring franchise) vs. actor Bonnie Aarons at the movie's premiere:
10.Here's the titular Slender Man vs. actor Javier Botet at a film festival the following year:
11.Here's Bughuul from the movie Sinister vs. actor Nicholas King doing an interview about the role:
12.Here's Kayako Saeki in The Grudge vs. actor Takako Fuji at the afterparty for the second movie:
13.Here's Pinhead from the Hellraiser franchise vs. Doug Bradley at the premiere of the third movie:
14.Here's the titular Beetlejuice vs. Michael Keaton at a premiere the following year:
15.Finally, here's Michael Myers in Halloween Kills vs. actors Nick Castle and James Jude Courtney on set:
What are some of your fave horror movie transformations? LMK in the comments!