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However, Pichu are unskilled at controlling their electricity, and sometimes release it by accident when surprised, or when laughing, and shock themselves. Also, in The Miraculous Color of the Sky ~Best Friends~, Sandy and her Raichu are reincarnated as a little girl and a Pichu. In Pokémon Adventures, Yellow was the one who gave Pichu its species name, creating it as a combination of the name of Pibu's parents, Pika and Chuchu. In the episode, Lyn's bag was accidentally taken by Bonnie, who had a similar bag with her Dedenne inside; they eventually got their bags and Pokémon back. In Charging After Electrike, multiple Pichu were among the Electric-type Pokémon that charged the Prism Tower during a blackout.
Additionally, according to Junichi Masuda, Ken Sugimori came up with the idea for Pichu when Game Freak staff were trying to figure out a Pokémon to be the "next" Pikachu.
In All About Arceus IX, a Spiky-eared Pichu accompanied Pibu on gathering herbs for Celebi to cure Giovanni's disease.
The Pikachu-colored Pichu was the first Pokémon to be given out over Nintendo Wi-Fi Connection outside of Japan. In Pikachu's Island Adventure, two Pichu, six Wynaut, and a Buizel were forced off their island by Meowth and his cronies, who then claimed it for themselves. Pokémon HeartGold and SoulSilver: The Spiky-eared Pichu will appear at the Ilex Forest shrine if the player approaches it with the Pikachu-colored Pichu first in the party. The design of one of the brothers is similar to that of Ash's Pikachu and Sparky, in that it has a scruff of fur on its ear. This is the only way to obtain Spiky-eared Pichu, and it cannot be traded, so only one can be obtained per game.In Lucario and the Mystery of Mew, Mew transformed into a Pichu during the Aura Guardian Festival tournament. Gold, in his desperation, protected an Egg containing the offspring of Red's Pika and Yellow's Chuchu from the Masked Man.