Wikipedia
Markiplier
Mark Edward Fischbach (born June 28, 1989), known by his online pseudonym Markiplier, is an American YouTube personality. Originally from O'ahu, Hawaii, Fischbach began his career in Cincinnati, Ohio. He is currently based in Los Angeles, California.
As of August 2016, his channel has 14 million subscribers, over 5 billion total video views, and is the 24th most subscribed to channel on YouTube. Fischbach specializes in Let's Play gameplay commentary videos and indie games, commonly of survival horror and action video games.