Moo Duk Kwan Rank Certification Moo Duk Kwan® was first coined by Founder Kee Hwang in 1945 as the name of his martial art schools in Seoul, Korea where he taught his particular martial art system. Today, Moo Duk Kwan and the Fist logo designed by Kee Hwang are two of the most recognizable martial art symbols in the world. Kee Hwang's Moo Duk Kwan® martial art schools have a rich history stretching from 1945 and a globally well known reputation for producing high quality martial artists. Official Rank Certification in Soo Bahk Do® from the Moo Duk Kwan® How can you tell if your rank certificates are legitimate or counterfeit? Post a comment Comments: No comments yet. You must be logged in to comment.