Anthony Pettis, who no one knows about, is the only one who has ever been a UFC Taekwondo champion... Moreover, he learned boxing before Taekwondo, and even in his official profile, he doesn't list Taekwondo as his style. How many people have become champions in karate? GSP, who was inducted into the Hall of Fame, entered the hall wearing a karate costume. I think that's the difference
My karate teacher pushing me down and forcing my legs down so hard it hurts so bad and he couldnt make me do a full one with those pushes. He was the worst karate teacher i ever had