who is pikachu
 

Pikachu is a well-known fictional character from the Pokémon franchise. It is an Electric-type Pokémon and serves as the franchise's mascot. Pikachu is a small, yellow, mouse-like creature with long ears and a lightning bolt-shaped tail. It has become one of the most recognizable and beloved Pokémon due to its appearances in video games, trading card games, animated TV shows, movies, and various merchandise. Pikachu is known for its ability to generate electricity and its signature move is "Thunderbolt." It is also the main partner of the franchise's protagonist, Ash Ketchum, in the animated series.
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