Hanna Hills

Hanna Hills is the youngest sibling of the Hills family. She is around Manny's age, She was shown on Diary of a Wimpy Kid (online), and was shown with her father, Piper Matthews (Holly Hills,) Jennifer Matthews, and Lori Matthews (Heather Hills,) And, she was mentioned in Diary of a Wimpy Kid: Rodrick Rules (2011 film).

Trivia

 * She is the only sister of the Hills family who was mentioned in the movies, but never appeared in the books.
 * It is unknown if she is a real character in the books, because Holly mentioned her to Greg in Rodrick Rules (Film), but she might be a non-canon character.