Sensei Jack Brewer is the main protagonist and characters of teen sitcom Kickin' It. He was born on October 8, 1997 and 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. 