KA (long life) comes from the word Karate, an art form that places the emphasis on hard and powerful techniques – brought by Peter Young Yil Choo.
JU (happiness) comes from both Judo and Jujitsu, Japanese martial arts consisting primarily of grappling techniques, throwing, locks, and sweeps – brought by Frank Ordonez.
KEN (fist) comes from Kenpo, a form of Karate that stresses rapid, hard and powerful movements – brought by Adriano Emperado.
BO (style) comes from western Boxing & Chinese boxing – brought by Clarence Chang.
All there above were skilled amateur boxers.