From Bulbapedia, the community-driven Pokémon encyclopedia.
Monsieur Pierre (Japanese: ムッシュ・ピエール Monsieur Pierre) is a recurring character in the Pokémon anime. He is the announcer of Pokémon Showcases.
Pierre and Aria at the dance party
Pierre made his debut appearance in Dreaming a Performer's Dream!, where he was seen calling Aria on stage to give an exhibition performance at the Lagoon Town Rookie Class Pokémon Showcase.
He appeared in Serena's dream in The Green, Green Grass Types of Home!.
He appeared again in Battling with Elegance and a Big Smile! in a Pokévision video recapping Shauna's victory at the Coumarine Showcase.
In Rivals: Today and Tomorrow!, Pierre appeared on television to announce that an upcoming Pokémon Showcase would be held in Dendemille Town.
In A Frolicking Find in the Flowers!, Pierre appeared in Serena's guidebook video to announce that an upcoming Pokémon Showcase would be located in Anistar City.
Pierre appeared again in Party Dancecapades! where he hosted a party for Performers and their Pokémon which included ballroom dancing followed by a Tag Battle. He was Aria's dance partner. At the end of the party, he announced a Pokémon Showcase was slated to be held in Fleurrh City.
In Master Class Choices!, he hosted the Fleurrh City Pokémon Showcase. Near the end of the episode, he announced Gloire City as the location of the Master Class Pokémon Showcase.
Pierre speaks with a French accent and has a tendency of interspersing French phrases with his regular speech, such as "s'il vous plaît".
At the start of a Pokémon Showcase, he announces the theme of the competition. He is also the one to introduce the Pokémon Performers on stage and to explain the proceedings to the audience. Furthermore, he keeps track of the time the Performers are given during the Theme Performance and hands out the Princess Key to the winner.
He seems to enjoy his work. His trademark is his staff, which his Klefki sits on top of.
This listing is of Monsieur Pierre's known Pokémon in the anime: