In the Horrid Henry cartoons, she is shown to squeal more than in the books, and also have episodes of insanity, usually around Henry. Even when she is angriest, she seems to be smiling strangely, which proves she's insane. In the TV series, she has short, wavy blonde hair, wears a pink blouse, blue jeans, a sash belt and is voiced by Joanna Ruiz. In Horrid Henry's Wedding, it's revealed that her surname is Penelope. It is also revealed that Pimply Paul's surname is Peregrin, so that Polly's name would now be that because she married to Paul.