Mr. Ray

Mr. Ray (known as Mr. Bertrand in the online version) is a teacher at Greg's school who is the monitor of detention. He was briefly the teacher of study hall because of the Valentine's Day Dance.

Appearances

 * Diary of a Wimpy Kid Online (As Mr. Bertrand)
 * Diary of a Wimpy Kid: The Last Straw (First book appearance)
 * Diary of a Wimpy Kid: Class Clown