Mr. Ray

Mr. Ray (known as Mr. Bertrand in the online version) is a teacher at Greg's school and the monitor of detention.. He was briefly the supervisor of study hall during 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