So-San is the pseudonym of the great monk Choi Hyong Ung (1520-1604) during the Lee Dynasty. The 72 movements refer to his age when he organised a corps of monk soldiers with the assistance of his pupil Sa Myung Dang. The monk soldiers helped repulse the Japanese pirates who overran most of the Korean peninsula in 1592.
Moon-Moo honors the 30th king of the Silla Dynasty. His body was buried near Dae Wang Am (Great King's Rock). According to his will, the body was placed in the sea "Where my soul shall forever defend my land against the Japanese." It is said that the Sok Gul Am (Stone Cave) was built to guard his tomb. The Sok Gul Am is a fine example of the culture of the Silla Dynasty. The 61 movements in this pattern symbolize the last two figures of 661 A.D. when Moon-Moo came to the throne.
Ul-Ji is named after general Ul-Ji Moon Dok who successfully defended Korea against a Tang's invasion force of nearly one million soldiers led by Yang Je in 612 A.D., Ul-Ji employing hit and run guerilla tactics was able to decimate a large percentage of the force. The diagram represents his surname. The 42 movements represent the author's age when he designed the pattern.
Choi-Yong is named after General Choi Yong, premier and commander in chief of the armed forces during the 14th century Koryo Dynasty. Choi Yong was greatly respected for his loyalty, patriotism, and humility. He was executed by his subordinate commanders headed by general Yi Sung Gae, who later became the first King of the Lee Dynasty.
Yoo-Sin is named after General Kim Yoo Sin, a commanding general during the Silla Dynasty. The 68 movements refer to the last two figures of 668 A.D., the year Korea was united. The ready posture signifies a sword drawn on the right rather than left side, symbolizing Yoo Sin's mistake of following his Kings' orders to fight with foreign forces against his own nation.