Ken is the the friend, rival, and sparring partner of Ryu. He is one of the main characters from the Street Fighter series of fighting games. Alongside Ryu, he is featured in all major incarnations of the series. As a main character, he has appeared in all of the Street Fighter games along with his best friend and rival, Ryu. Like Ryu, Ken's goal is to test his power against many different fighters and strive to become stronger.