The scariest thing we've seen this year has to be the demogorgon from Stranger Things. This year you can actually be the terrifying flower monster -that is, if you have the skill to follow this impressive makeup tutorial by ellimacs sfx makeup (previously at Neatorama).
Of course, putting it together takes more than just talent, it also takes a lot of time and a lot of specialized materials, so be sure you go shopping before you start trying to put this look together.
Via Instructables