Mark Edward Fischbach (born June 28, 1989), known by his YouTube username Markiplier, is an American Internet personality, video game commentator and charity fundraiser. Originally from O'ahu, Hawaii, Fischbach began his career in Cincinnati, Ohio. He is currently based in Los Angeles, California.As of August 2015, his channel has over 9 million subscribers, over 3 billion total video views, and is the 49th most subscribed channel on YouTube.