Ash's companion Showing 1 characters and 1 works connected to Ash's companion. Characters with this tag Characters — 1 characters Serena - Pokémon A girl from the Kalos region who is a Pokémon Performer and Ash's companion. Related works Pokémon Related tags Anime character Fennekin Kalos region Pokémon Pokémon Coordinator Pokémon Performer Pokémon Showcase Pokémon XY