This Gyarados is a water/ -type Pokémon owned by Trinity.
Biography[]
In her Whirl Cup battle, Trinity chose Gyarados to face off against Misty and her Poliwhirl. Gyarados triumphed over Poliwhirl, but was subsequently defeated by Misty's Corsola.
This Pokémon reappeared in a flashback in Espeon, Not Included.