Many horror fans will be keen to check out the movie adaptation of the hit series Five Nights at Freddy's, and a recent video from YouTube star Markiplier suggests the content creator could know something about the project. Of the highest-earning YouTube personalities on the web, Mark "Markiplier" Fischbach is one of the biggest, with a current subscriber count of over 34 million. As such, when the famous gamer says something, fans tend to pay attention.