Missy Meany is one of the main antagonists of Ned's Declassified School Survival Guide. She is the most popular girl at James K. Polk Middle School, and formerly had a crush on the main protagonist, Ned Bigby. Missy seems to very wealthy, as she uses bodyguards to intimidate people.
In Season 1, before Missy appeared, another girl named Bitsy Johnson filled her role. When Bitsy stopped appearing, Missy took her place.