James Dunn (December 26, 1983) is a British professional wrestler better known by the ring names The Mailman, The Sinner and currently JD Knight. He has wrestled primarily for the British and European wrestling promotions, with 4 Front Wrestling being his most prominent wrestling promton to work for. While working for 4 Front Wrestling, Dunn became a three-time 4FW Heavyweight Champion. Knight has been on the independent circuit for almost 15 years now, gaining respect from peers and fans alike, his intense strong style, blended with his charismatic approach to in ring work makes him a very popular choice with promoters and fans. During 2011, WWE briefly showed an interest in Knight with a string of tryouts. However, Knight did not earn any development deals from these tryouts.