Hop is the player's neighbor and rival. His goal is to become the Champion, just like his brother Leon. Hop starts his journey with his first Pokémon, Wooloo, and the starter Pokémon weak to the player's choice. After meeting a mysterious Pokémon in the Slumbering Weald and receiving an endorsement from Leon, Hop and the player board the train to Motostoke, and their respective journeys begin.

(Source: Bulbapedia)