Fregley (known as Fregly in the online book) is a peculiar, weird student at Larry Mack Junior Middle School, known for his eccentric and often disgusting behaviors. As Greg's schoolmate and neighbor, Fregley has made numerous appearances throughout the Diary of a Wimpy Kid series, occasionally ending up hanging out with Greg, much to Greg's chagrin. In the live-action Diary of a Wimpy Kid films, Fregley is played by Grayson Russell and was voiced by Christian Convery the 2021 animated film adaptation.