About TSDMGK A classical martial art with forward vision: Tang Soo Do Mi Guk Kwan Association, Inc. An organization founded by Grandmaster Charles J. Ferraro . The Tang Soo Do Mi Guk Kwan system is a classical martial art concerned with scientific and martial theory, form and aesthetics. Tang Soo Do is a composite style influenced by the Northern Chinese arts, the Southern Chinese arts, and the Okinawan discipline of Karate.