Also known as: マイク・ハーパー, Maiku_Hāpā
Mike Harper is the main antagonist of Poker Under Arms. He is a skilled gunman and a card sharp player whom Don Peckinpah challenges in a game of poker.
Mike Harper is a lean man with a long face and smooth features, save for a Scar on the left side of his mouth. Harper has long, curly, light hair. He wears a light Shirt, a Black Necktie, a spotted Vest, and a Black Jacket. He also wears a typical cowboy's hat.