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?

Fusing Pikachu and Raichu with Tranquill and Mienshao creates new Flying and Fighting-type fusions, shaking up Pokemon design. Pikaquill, Raishao, and Alolan Raishao come with detailed Pokedex ...

The game’s story follows a boy on a quest to become the greatest Pokemon trainer, by collecting all the gym badges and completing his Pokedex ... Players received Pikachu as their starter ...