Mr. Barrett

Mr. Barrett is the scout master of the boy scout,Troop 133,which is the troop Greg and Rowley are in.When Greg and Rowley couldn't carve a wood block into a model,he gave them soap instead and once announced a father-son camp-out.

Appearances

 * Diary of a Wimpy Kid Online
 * Diary of a Wimpy Kid: The Last Straw
 * Diary of a Wimpy Kid: Dog Days (film)