"Who Killed Markiplier?" is a murder mystery series on YouTube created by the famous YouTube creator Markiplier. It involves the viewer going to a play poker at Markiplier Manor with several of their closest friends, such as the Mayor Damien, the Colonel, the Detective, Mark's waiter and chef as well as Mark himself. However, Mark gets murdered the next day. Who is the murderer, and what's the bigger plot that Mark's death is being played in? Several new characters get introduced throughout the series, and it is Markiplier's Halloween special of 2017.
by Fandom Nerd October 12, 2017