Maybe because they each I guess had their own companion Pokémon too that is the bigger and main recipient of their affection. I guess for Misty Starmie wasn't exactly the most out-of-its-Pokéball (and she wasn't too fond of Psyduck initially), so Pikachu got all the love.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.