The old Pikachu was a little more plump and cuter compared to today’s game versions. However, it was a very powerful even without the electric power because it already has a healthy dose of agility. The popularity of this Pokémon was mainly due to its being in every episode of the anime series. Cute and lovable, it had black tipped ears, red cheeks and it also has an electrifying personality. What is there not to love?