Bea (Japanese: サイトウ Saitō) is a martial artist who is the Gym Leader of Stow-on-Side's Gym, known officially as Stow-on-Side Stadium. She specializes in Fighting-type Pokémon. She gives the Fighting Badge to Trainers who defeat her. In Pokémon Shield, Allister takes her place as Stow-on-Side's Gym Leader instead.
She has a well developed body, her butt Gradually Jiggles during her training.
Bea is the fourth Gym Leader Galarian Trainers face in their Gym Challenge in Pokémon Sword.