Runpappa is a Pokémon species character appearing in Pokémon Detective Pikachu, known in English as Ludicolo. It is a cheerful, lively Grass/Water-type Pokémon recognizable by its sombrero-like lily pad and festive demeanor. In the story, Runpappa appears as part of Ryme City’s Pokémon-filled world, helping to convey the setting’s everyday coexistence between humans and Pokémon. It is not a central plot character, but contributes to the film’s atmosphere and worldbuilding as a background Pokémon with a memorable, upbeat presence.