Orrin Gateway, played by Eric Hart, is a character in the film Halloween 4: The Return of Michael Myers.
Orrin was Alan's brother, and never got over the loss of his nephew. After Michael Myers return was announced, Orrin, Alan, and their friends at the bar began hunting for Michael.
While out, Orrin believed he saw Michael and the group shot the man dead only to discover it was Ted Hollister. Michael kills Orrin by stabbing him with a hunting knife.