Pokémon Sword and Shield guide: How to change your Pokémon's nature - Polygon
PokéJungle on Twitter: "Pikachu has a SASSY nature in this new official artwork for Pokémon the Movie 20: I Choose You! https://t.co/NPKteIrAez… https://t.co/ze9Fkie1my"
Pokemon Let's Go Will Let Players Change a Wild Pokemon's Nature | USgamer
Pokémon Let's Go! players will be able to change the nature of their Pokémon
OC] Shiny Pikachu #025: Its nature is to store up electricity. Forests where nests of Pikachu live are dangerous, since the trees are so often struck by lightning. (zoom in for detail) :
Is there an event that gives you Red's Pikachu? - PokéBase Pokémon Answers