Pichu (ピクー, Pikū) is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. Created by Ken Sugimori, Pichu first appeared in the video games Pokémon Gold and Silver and subsequent sequels, later appearing in various merchandise, spinoff titles and animated and printed adaptations of the franchise. There have been multiple voice actors for Pichu. The two Pichu Brothers characters were voiced by Yumi Tōma and Satomi Kōrogi (who voiced Pichu in Super Smash Bros. Melee and Super Smash Bros. Ultimate), while a spiky-eared Pichu from the film Arceus and the Jewel of Life was voiced by Shōko Nakagawa and Kayzie Rogers. Known as the "Tiny Mouse" species of the Pokémon series, Pichu is the pre-evolved version of Pikachu. Pichu made its debut appearance in Pokémon Gold and Silver and has since made appearances in the series. Ever since its introduction to the series, Pichu was seen as a sidekick like character towards Pikachu, is often seen in the spinoff games alongside it in games like Pokémon Pinball: Ruby & Sapphire. The Pokémon has been featured in Super Smash Bros. Melee and Super Smash Bros. Ultimate where it was a playable character. From Wikipedia
