태권왕 강태풍

Taekwon King Kang Taepoong (태권왕 강태풍) is a Korean animated series from 2000 about schoolkids forming their own Taekwondo club. The story focuses on a stubborn boy called Kang Tae-poong who sometimes gets in trouble with other people. He begins Taekwondo after getting knocked out by another boy of his age who does the martial art, and decides to form his own group with his fellow students and teacher advisor.