Fake Greg Heffley

Fake Greg Heffleys real name is never revealed. Once Greg's Pre-Algebra class had a substitute teacher. He and his classmates switched seats to fool the substitute. But it backfired on Greg when the Fake Greg Heffley fooled around and when the substitute gave Greg 10 detentions.

Appearances

 * Diary of a Wimpy Kid: The Meltdown (First and only appearance)