The man known as J is an American boxer and master of the Mach Punch technique. In the manga, J is a student of the U.S. Annapolis Naval Academy. In the anime he is a member of the SPA (Super Police Academy).
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The man known as J is an American boxer and master of the Mach Punch technique. In the manga, J is a student of the U.S. Annapolis Naval Academy. In the anime he is a member of the SPA (Super Police Academy).
