Aunt Hannah is the aunt of Bea, one of her friends of Mrs. Goldfishberg from her croquet class, the husband of Uncle Trevor, the mother of May, Francine and Jacob, she loves cats, like Uncle Trevor. She is voiced by Leslie Mann.
She looks just like her niece with the same flippers and bodysuit, except for having curly hair, a light blue shirt, with a pink headband, and without freckles.
- She loves playing croquet and really good at this game.
- She does not like Atlas as much she likes Agnes, she often finds him annoying.
- Hannah works as a cashier in the candy store.
- She also likes dogs, bunnies and popsicles.
- Hannah always brings gifts in baskets for Bea when she was a baby or a little girl, even watching her growing up.