- Voice actor: Megumi Hayashibara (both English and Japanese)
Pichu is a small ground-dwelling rodent. Its fur is very short, and it is pale yellow in color. The tips of its large ears are black, and it has additional black markings on its neck and tail. Its tail is short, but still bears some resemblance to the large lightning-bolt structure it will develop later on in life. It has pouches in its cheeks, which are pinkish colored and used for storing electricity. Its nose is extremely small, almost like a dot. It is classified as a quadruped, but many have been known to walk easily on their hind legs. Its height is 1'00" and weight is 4.4 lbs.
A female Pichu looks almost exactly the same as a male, with the exception of her 3-spiked tuffs of hair on either of her ear. a female Pichu, has a spiked ear.
Pichu, like its evolutions, is capable of producing electrical sparks from its cheeks, charging itself with electricity more easily on days with thunderclouds or when the air is very dry. However, since Pichu is only a baby, it cannot control them as well, and may release electricity unintentionally. However, it is not able to store large amounts of electricity in its body.
Pichu are social Pokémon known for their playfulness. They tend to be very mischievous and are always on the lookout for something fun to do. They are usually found in groups, typically with members of their own species, but occasionally with other types of Pokémon. Like their evolutions, they are capable of storing electricity from the atmosphere, however, this ability requires much practice to perfect. Pichu are prone to randomly discharging electricity, as they are not fully mature. They become better at holding power as they grow older. Pichu are frequently observed touching tails with each other, creating a shower of sparks.
Pichu primarily live in forests like their evolution, Pikachu, although they have also been depicted to thrive in urban areas.
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The Pichu Brothers are a pair of Pichu who have appeared in several places, including Pikachu & Pichu, Camp Pikachu, several episodes of Pokémon Chronicles, and the Pokémon Channel special Pichu Bros. in Party Panic. Their design is similar to Ash's Pikachu and Sparky, in that one has a scruff of fur while the other does not.
A Pichu with a spiked ear, known as Spiky-eared Pichu, appeared in Arceus and the Jewel of Life. She helped Sonic, Chuck, Tails, Pikachu and Piplup find the keys for the jail cell that held Ash, Misty, Dawn, Brock, Chris, and Damos. She and a Pikachu-colored Pichu star in the fourth ending to the Diamond & Pearl series.
A Pichu had a role in Pokémon Mystery Dungeon: Team Go-Getters out of the Gate!. Pichu's big brother, Pikachu, was lost and he was so worried, the Baby Electric Mouse went out to find him. Pichu came across Team Meanies, but they played a horrible trick on Pichu when asked to join them. Pichu found Team Go-Getters, who gladly let him come along with them. Pichu was eventually kidnapped by the Skarmory that had kidnapped Pikachu.
A Pichu appeared on a girl's shoulder briefly in Celebi: Voice of the Forest in a window during Ash's battle at the beginning of the movie.
Three Pichu appear in Hungry For the Good Life!.
Pichu, Tiny Mouse Pokémon. The pre-evolved form of Pikachu. Despite their size, Pichu release bursts of electricity that can shock even humans. However, Pichu are unskilled at controlling their electricity, and sometimes release it by accident when surprised, or when laughing and shock themselves.