Lego minifig compatible Custom SI-Dan Toys Katana Short sword or wakizashi. A Traditionally made Japanese sword that were used by the samurai of ancient and feudal Japan. The wakizashi being worn together with the katana was the official sign that the wearer was a samurai or swordsman. When worn together the pair of swords were called daisho. The katana was the big or long sword and the wakizashi the "little" or companion sword