Zachary Adam Gordon is an American actor. He is known for his role as Greg Heffley in the first three films of the Diary of a Wimpy Kid series, based on the namesake book series. Gordon was then cast as Tate Wilson in Good Trouble, and Jason Cohen in Dead of Summer.

Gregory "Greg" Heffley is a fictional character in the Diary of a Wimpy Kid franchise, serving as the antiheroic main protagonist and unreliable narrator of the books, online series, and multimedia franchise. He was created by Jeff Kinney, and portrayed by Zachary Gordon and Jason Drucker in the first three films and the fourth film, respectively.