Pikachu

Pikachu is a fictional species in the Pokémon media franchise. Designed by Atsuko Nishida and Ken Sugimori, Pikachu first appeared in the 1996 Japanese video games Pokémon Red and Green created by Game Freak and Nintendo, which were released outside of Japan in 1998 as Pokémon Red and Blue.

https://en.wikipedia.org/wiki/Pikachu