The Unidentified Dance Committee Member is a character who appeared in The Third Wheel. She is one of the Dance Committee members with her friends Hillary Pine and Olivia Davis. She is seen when Hillary Pine got in on the conversation with the Senior Citizens when they booked the school hall for new Senior Citizen Centre at the same time as the school dance.
- Diary of a Wimpy Kid: The Third Wheel (First and only appearance)
She is Rowley's cousin that has never been mentioned.
She is on Rowley's mom's side of the family.
Rowley was at that dance but it is possible they do not get along or they never knew she moved and that they have never met before.