Sensei Jack Brewer is the main protagonist of Kickin' It. He was born on October 8 1997 is the newest member of The Wasabi Warriors along with Kim who joins after, and is often seen as having the hero complex of the group. He is a dedicated skateboarder who learned martial arts from his grandfather - Bobby Wasabi's former teacher and sensei. As a kid, he moved around a lot but is able to adjust quickly, and he is able to make friends very easily. Jerry, Eddie, and Milton invited him to sit with them in school even before he takes out four Black Dragons, who happen to be bullies. He lives by the Wasabi Code. Jack is the highest rank in the dojo, being a 2nd degree black belt. He is also a heartthrob, because it's been shown that many girls fall for him. He is Kim's boyfriend.