Amber O'Malley was a new student who transferred to Hazelnut Middle School and a minor character in Pepper Ann. Her only appearance was in "Green-Eyed Monster".
Due to Cissy, the former most popular girl in seventh grade being away from the school for a week, Amber dazzles everyone with her personality and soon takes the place of most popular girl in seventh grade. Pepper Ann becomes jealous, as she wanted to take the title for the week, and decides to throw a party to take some of the attention away from Amber.
Unfortunately, Amber throws a party on the same night, and everyone ends up going there instead of Pepper Ann's.
"Green-Eyed Monster" marks Amber's only appearance in the series,
she was mentioned by milo in ''Like Riding a Bike''.