>>28430614N/A. There are some that I've come to tolerate, like the smiley grass ones, but there aren't any that I've gone from not-liking to liking. Maybe-maybe-maybe, Popplio. But I never disliked it all that much, and I still prefer Rowlet.
However, I guess the generation as a whole is starting to grow on me, now that I've seen Type: Null and more of Team Skull.