Mark Fischbach

Biography

Mark Edward Fischbach, known professionally as Markiplier, is an American YouTuber and filmmaker. He rose to fame on YouTube with "Let's Play" videos of indie horror games, including Amnesia: The Dark Descent and Five Nights at Freddy's. His popularity led to a media career, including acting and filmmaking roles, such as Simon in the 2026 film adaptation of Iron Lung, which he also wrote, directed, produced, edited, and starred in.