Billy King is a character who appeared in Burning Fight as the tritagonist.
Billy is an old friend of Duke Edwards. They attended the same university where Billy was the MVP three years straight. They were investigating the Yakuza when they became their targets. They were joined by Ryu Saeba, a martial arts master who decided to fight the Yakuza.
He is rude sometimes, but his friends know that he is a good person. Despite his overbearing appearance, he is actually quite popular with kids and women.
Billy fights with his great strength.