As an expert in the field of Pokémon and its cultural impact, I can provide some insight into the naming of the character Pikachu. The name "Pikachu" is a combination of the Japanese words "pikapika," which describes the sound of sparkling electricity, and "chuu," which is an onomatopoeic word for the sound of a mouse's squeak. This reflects Pikachu's characteristics as an Electric-type Pokémon that resembles a small, mouse-like creature.

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According to series producer Satoshi Tajiri, the idea of the name came from a mouse like animal called pika and then derived from a combination of two Japanese sounds: pika, a sound an electric spark makes, and chu, a sound a mouse makes.read more >>