Unidentified Teacher
Name Unspecified
Age 30-40
Gender Male
Actor Unknown Voice Actor
Film Appearance? Yes (Bonus Feature Only)
Online Appearance? Yes
Book Appearance? Yes

Unidentified Teacher is a character that appeared in Diary of a Wimpy Kid and online book. He was a substitute teacher. In Class Clown, Greg got in detention when he said rude things to the teacher. As he was a substitute, it is unknown if he will make another appearance.