Rumi

Rumi is the Gym Leader of the Lumia Town Gym. She specializes in Normal-type Pokémon, and Trainers who defeat her get the Purity Badge.

Rumi's sister is Ruby, the Gym Leader of Privet Village.

Trivia

 * Rumi's name is derived from the Lumia fruit, which is the same name of Lumia Town, however without the corruption of the 'L'.