Seisan Seisan The karate kata (alternate names Sesan, Seishan, Jusan, Hangetsu) literally means '13'. Some people refer to the kata as '13 Hands', '13 Fists', '13 Techniques', '13 Steps' or even '13 killing positions'. However, these names have no historical basis. Seisan is thought to be one of the oldest kata, being quite spread among other Nahate schools. Shito-ryu has its own version and different versions are now practised even in Shuri-te derivatives like Shotokan (called Hangetsu) and in Wado-ryu (called Seishan). Isshin-ryū also adopted this kata. This kata is also practiced in Korean styles such as Tang Soo Do and
Ryu Si-won Ryu Si-won Ryu Si-won (; born 6 October 1972) is a South Korean actor and singer. After he made his debut in the KBS drama "Feeling" in 1994, Ryu pursued a singing career. On 12 December 2004, Ryu went with a Taiwanese actress to Singapore for the presentation of the Star awards to Singaporean actors in the Mediacorp Star Awards 2004. The event was broadcast on Mediacorp's TV Channel 8. Ryu states that he is the 14th-generation descendant of Joseon Dynasty Prime Minister Yu Seong-ryong. Ryu has studied photography for three years and has produced his own promo photos. Because