Zachary Adam Gordon (born February 15, 1998) is an American actor, best known for playing Greg Heffley in the first three films of the "Diary of a Wimpy Kid" film franchise, which are based on which American cartoonist, producer and author of children's books, including the  #1 "New York Times" best seller novel series, "Diary of a Wimpy Kid"?
Jeff Kinney (author): Jeffrey Patrick "Jeff" Kinney (born February 19, 1971) is an American cartoonist, producer and author of children's books, including the "Diary of a Wimpy Kid" book series.
i don't know