Pierre

Pierre is a minor character from Pokémon: Johto League Champions.

Season 4: Johto League Champions
Pierre was a scientist, who, with Marie, had to determine Sudowoodo's type. Despite their arguing, they managed to examine one Sudowoodo and come to a conclusion it uses Mimic to copy moves. The revelation that Sudowoodo ran away from water had them confirm Sudowoodo is a Rock-type.

Trivia
Marie and Pierre are names of the chemists Pierre and Marie-Curie Sklodowska.