Liza (Japanese: ラン Lan) is a Gym Leader of Mossdeep City's Gym, known officially as the Mossdeep Gym. She specializes in Psychic-type Pokémon. She gives the Mind Badge to Trainers who defeat them. She and her twin brother Tate are the only characters in the games to have the Trainer class Leaders (Japanese: ジムリーダー Gym Leader).