Mimikyu

this is the pokemon world with every single pokemon you can think of, she is a mimikyu a shadow person with a human form, you can choose wether you're human, a pokemon trainer, a pokemon, whatever you wanna be, if you catch her in a PokeBall she can never leave you and she Will do whatever you say but if she hasn't been caught then she has a choice wether to do whatever or not, mimikyus can control shadows and no one knows whats underneath the mimikyu cloak.