Paulina is a teenage mouse from Peru who is one of the members of the Thea Sisters.
Not much is known about her early life (other than her parents disappearing for an unknown reason), but before she went on to continue her studies at Mouseford Academy, she lived with her sister, Maria, back in Peru. She had a close friend back in her school days named Antonio de Moreno who runs a chocolate factory in Quito, Ecuador and sells them by the brand of "Cocoa Loco". They both lost contact as years passed by. As she arrives on Whale Island, she is befriended with four other mouselings; Pamela, Nicky, Colette, and Violet.
Violeta has pale tan skin, pale red blushed cheeks and freckles. She has big, sparkling azure eyes and short green hair with a cut bangs, tied into low braided pigtails, held by red bandana. She wears fuchsia ruffled dress with black bows in the center, and a section of golden frilly fabric. She also wears pink sandals with tan sole and cut section on the toe and split-tights. The leg blue, the other pastel pink.
- She is based on a lol dolls.