Mrs. Mendoza is a character in Double Down. She is the mother of Mariana Mendoza. She appears to be okay with his daughter, Mariana holding whatever kind of party she wants as long as it stays in the basement. She even allows a party to be held the year after it got so big that it spilled to the outside and the cops had to come shut it down. After that incident, she still let's her daughter hold a party. She watches a horror movie with her husband, Mr. Mendoza during the party.
- Diary of a Wimpy Kid: Double Down (First and only appearance)