Fanservice: Especially in the earlier episodes.
Girly Girl: Easily the most feminine of her sisters.The Fashionista: Definitely the most fashion-obsessed of the Diazes.Cool Big Sis: Seems to be evolving into this in season 2.Also, she's the head cheerleader in school. Alpha Bitch: Of the family, at least at first.Aloof Big Sister: Tends to not like spending time with her younger siblings, at least in the first season.The oldest of the seven children, who tends not to get along with the younger members of the family. Wrench Wench: She's good at fixing things.Plus, even her own parents aren't always reliable. Surrounded by Idiots: Harley definitely feels this way about her siblings at times, because they always break everything she makes or owns.The Smart Girl: Definitely the brains of the family.Nice Girl: She's very kind and always sees the good in people.Middle Child Syndrome: The middle of seven children.Even her parents tend to look to her for what to do in difficult situations. It's All About Me: Even she has her moments as she often deceives her siblings to get her way.Hypocrite: Harley complains about Daphne being so manipulative, yet in several episodes, Harley is shown to be manipulative towards her parents.Hot-Blooded: At least when it comes to her next-door neighbor, Aidan.The Hero: Shes the main character of the show.Genki Girl: Very, very peppy and talkative.
Gadgeteer Genius: Spends most of her free time inventing things.Daddy's Girl: Seems to be closest to her father out of all her siblings.Cool Big Sis: All three younger siblings seem to look up to her, but especially Daphne.Breaking the Fourth Wall: Harley frequently talks to the audience to explain what's going on.Brainy Brunette: To the point her parents don't even think to check her report card they just assume it's perfect.Out of all the siblings, Harley is clearly the main character, as well as the show's narrator.