What is gary valentine brother?

Gary Valentine's brother is Kevin George Knipfing, better known by his stage name Kevin James. He is an American actor, comedian, screenwriter, and producer known for his roles in the sitcom "The King of Queens," as well as movies like "Grown Ups," "Paul Blart: Mall Cop," and "Hitch." James and Valentine have worked together multiple times, including on "The King of Queens" and in the films "Paul Blart: Mall Cop" and "Zookeeper." They both grew up on Long Island, New York and got their start in comedy around the same time.