Dacre Montgomery is TV’s newest bad boy. His role as Billy Hargrove, an evil older brother, in the famous series Stranger Things made him one of the most famous male celebrities. Billy is a bully who spends most of his on-screen time terrorizing his younger sister and her friends. With an epic mullet and a jeans jacket, this bad boy is trouble. But where is all this anger coming from, does the actor behind the bully relate to it?