From Bulbapedia, the community-driven Pokémon encyclopedia.

There are three characters named Anthony:

• The Trainer who Ash gave his Primeape to, see Anthony (Kanto).
• A Trainer who battled with a Pelipper with several other Pokémon in its bill, see Anthony (Hoenn).
• A Coordinator who lost his ribbons before the Grand Festival, see Anthony (coordinator).