Every generation of Pokemon has added a new creature that can be seen as a clone of Pikachu, how do all of them stack up?

According to Google, searches for “Pokémon card” reached an all-time high in the U.S. in ... For example, a tip for guessing the electric rat Pokémon Raichu might be “evolves from Pikachu.” ...

This page explains how to Mega Evolve a Pokémon in Pokémon Go, how to get Mega Energy and all available Mega Evolution Pokémon. In April 2022, Mega Evolutions underwent a significant update.