[The camera focuses on Lightning's feet for a bit, and on the bunny bouncing circles around her that pipes up with a few encouraging comments--"Silver Hair's just being silly! Be yourself and he'll come around!" as she plays with a teeny Cleffa who's too busy laughing to speak, but Lightning? She just tilts her head.]

I don't think so. If they'd turned into Pokémon, don't you think that they'd have found a way to let us know it's them? [Sure, some Pokémon share traits with humans they miss, but...it's not the same.]