Marris is a character appearing in Pokémon: BW Rival Destinies.
Season 15: BW Rival Destinies
Marris participated in the Junior Cup and she faced Ash Ketchum in the first round of it. Marris used her Karrablast and Ash his Leavanny. Karrablast was easily defeated by Leavanny, eliminating Marris from the Junior Cup.