Gregory Heffley is a wimpy Kid. His best friend is Rowley Jefferson. He has a crush on Holly Hills. He is a 12 to 13 year old boy. He is a very nervous kid. Greg's real birthday is February 23. He is 5 feet 3 inches tall.
He hates his older brother Rodrick Heffley. Greg is a little older than his best friend Rowley. Greg is a mature kid. He is more mature than Rowley. Greg is portrayed by Zachary Gordon and later by Jason Drucker.