Hannah Whitehouse is one of the main characters in Pretty Cure. Her alter ego is Cure White. Although she didn't even know she existed at first, Hannah eventually became best friends with Natalie Blackstone (Cure Black), admiring her for her courage and cheerful attitude.
Hannah is a gentle, understanding girl who always put others before herself. She is very smart, even being called the
The Queen of Knowledge, the Queen of Intelligence or the Queen of Wisdom by her classmates, and often uses this to help people. However, Hannah may also be quite strict, and when she thinks someone has not done all of their work, she'll force them to do it. She is, however, doing this because she cares. Although she is the crush of almost every boy in school, she is not interested in most of them, but she has shown to care very much for some boys, namely Shawn "Fergie" Ferguson, her childhood friend and Natalie's crush, and Kireya, a new boy at school who she is helping understand people's feelings.
- Hannah is also an old friend of Amy (Sailor Mercury), Chloe (Glitter Breeze) and Bridget Verdant.