What do the horror breakout hits Obsession (Curry Barker), Iron Lung (Markiplier), and Backrooms (Kane Parsons) have in common? Their directors all honed their craft on YouTube before crushing the box office. Horror has always thrived on YouTube, and the appetite for it is massive — last year alone, videos with 'Backrooms' in the title racked up over 2 billion views.
Whether you want to do a deep dive before you see their movies or are itching for more afterwards, you can head over to YouTube to see their original work (plus, Iron Lung is now available, exclusively on YouTube). Here’s a roundup of some of our favorite videos from Parsons, Barker, and Markiplier.