Happy Lowman is a fictional character on the FX television series Sons of Anarchy, his name is based on the character in the famous play "Death of a Salesman" happy lowman is an ironic name based on his lack of happiness, played by real-life Hells Angel David Labrava. He is Enforcer for Sons of Anarchy Motorcycle Club, and is affiliated with the Tacoma, Washington charter at the beginning of the series, but later becomes a Nomad, meaning he has no permanent charter.