Nana Heffley is Frank Heffley's mother and is Grandpa Heffley's (Frank's father) ex-wife. They divorced or she died and lives or lived in Leisure Towers. Although she isn't mentioned and doesn't appears in any of the books (exept in Cabin Fever and the extended Do-It-Yourself Book) or movies, her name, phone number, and address is in the Heffley family's phone book in Wimpy Wonderland on Poptropica. However, she first appears in Cabin Fever in a flashback in Frank's childhood when she heard about her son's problems about Billy Staples she along with her husband went to Billy's house and told Mr. Staples about his actions. She also appears in The Wimpy Kid Do-It-Yourself Book.
Appearances
- Diary of a Wimpy Kid: Cabin Fever (first appearance,appeared in flashback)
- The Wimpy Kid Do-It-Yourself Book (in Greg's family tree)