Mrs. Mancy

Mary Mancy is the principal of Westmore Middle School. She has minor but recurring roles in the books.

Role in The Last Straw
In the Valentine's Day Dance, she told every student that the dance would count 20% of their Phy Ed grades and went with Mr. Underwood noting down the marks.

Role in Cabin Fever
She is briefly mentioned when Mrs. Lahey threatened Leon Goodson and the other kids to spill their Rowdy Riots or she will report them to her.

Role in The Third Wheel
She is mentioned by Greg when she announced that there is a limit of toilet papers the kids can bring and only 5 are allowed.

Appearances

 * Diary of a Wimpy Kid: The Last Straw (first and only physical appearance)
 * Diary of a Wimpy Kid: Cabin Fever (mentioned)
 * Diary of a Wimpy Kid: The Third Wheel (mentioned)