- "Tapu Koko, can you fetch my tiara?"
- — Brianna Cavell in Chapter 9
Brianna Cavell (born May 6, 2001) is one of the main characters in The Miraculous Adventure of Tessa and Lunala. She is the only daughter of Pyramid King Brandon and former Island Kahuna Mirage. Her current Pokémon team consists of Tapu Koko, Vaporeon, Sceptile, Togedemaru, Glaceon and Dedenne.
- Her voice actress, Cristina Vee, is best known for voicing Marinette Dupain-Cheng (Whose two last names are shared with Chara and Meghan respectively) in Miraculous: Tales of Ladybug & Cat Noir.
- She knew Lydia prior to the events of the film.
- Brianna tends to yell "NO!" when she disapproves of something. She, much to the chagrin of Lydia, inherited that tendency from her father.
- She was born in Alola, but moved to Kanto with her parents.