For her Halloween costume, she wears all black, cat ears, and paints whiskers and a black nose on her face. She has brown ovals for eyes and brown hair tucked behind her ears by a hairband.
Katie seems nice even to Hannah, but goes along with Jimmy's plan to scare her. She doesn't like Bert's and Jimmy's nonsense when making Daryl recount votes. Katie has a crush on Daryl, and he has a crush on her, too.