Patty Farrell

Patty Farrell is a minor antagonist to Greg in the series. She has a supporting role in the books, but she played a larger role in the film.

Diary of a Wimpy Kid
Patty appeared firstly in Diary of a Wimpy Kid, when she mentioned to Mr. Ira that he should cover up the United States billboard so nobody could cheat, and because of that, Greg flunked the test.

She later appears in December at "The Wizard of Oz" play. She plays the role as Dorothy and she takes it seriously. Greg later throws an apple at her and the other trees get in the act, until, Patty's glasses got knocked off and were smashed. After that, the play was closed and she didn't appear for the rest of the book.

Rodrick Rules
Greg mentioned she performed in the Winter Talent Show.

The Last Straw
Patty appears again, in The Last Straw, as she watches the class, and nobody wants to step out of her line. She is mentioned one last time, by Greg, as she was sick and didn't attend school.

Personality
She is characterized as the teacher's pet and a nerd, and due to events happening in the first book, she develops a negative relationship towards Greg Heffley. She is selfish and paranoid, and states that she will even sue people if she doesn't get what she wants. In The Last Straw, when the teacher leaves the room, Patty is left in charge. Greg writes that she is very strict when in control, letting no one out of the classroom, even if a fellow student has to use the bathroom.

Appearance
Patty is illustrated as wearing wide open glasses and pig-tails and this has been seen throughout the series. No other illustration of Patty has been shown other than glasses and her style of hair. According to Greg, she can't see one foot in front of her without her glasses and is practically blind without them, although in the movie, she doesn't wear them.