Mallow is a student at the Pokémon School on Melemele Island and one of Ash's former classmates. She is an upbeat and friendly girl who gets along well with her classmates at the Pokémon School. She admits herself to be so energetic that she sometimes misses important details and jumps to the wrong conclusions. She has a firm sense of right and wrong, and is also a talented cook for both people and Pokémon, and as such is a self-proclaimed poster girl at her family's restaurant.