Image Credit: Getty Images Markiplier has officially made the leap from YouTube megastar to feature-film director with Iron Lung, his intense adaptation of the viral indie horror game. The self-funded project marks his debut as a filmmaker - and he took on nearly every major role behind the scenes. In a statement shared with Variety, Markiplier joked about the challenge, saying, "They said it shouldn't be done... that it would be 'woefully unwise' to tackle writing, directing, acting, and editing a movie myself. Showed them.