Gregory Heffley is the main character of the series Diary of a Wimpy Kid who faces difficulties in middle school. He is a 6th-8th grader goes to an unnamed school and town. He is also the "Wimpy Kid". He has a good friendship with Rowley Jefferson who lives down the road. Many of his teachers hate him because they had his older brother Rodrick as a student, and so these teachers expect Greg to be as bad as his brother, Rodrick.