Korrina

Korrina (Japanese: コルニ Corni) is the Gym Leader of Shalour City's Gym, known officially as the Shalour Gym. She specializes in Fighting-type Pokémon. She gives the Rumble Badge to Trainers who defeat her. She is the only character in the games to have the Trainer class Successor (Japanese: けいしょうしゃ Successor).