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 is known for not forcing anyone to attend detention and for letting kids do whatever they want in detention and for letting the detention kids go early. 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