When it comes to Pokémon lore, Genesect has a lot in common with Mewtwo. As it's category as the 'Paleozoic Pokémon' suggests, Genesect was inspired by the giant insects of the Paleozoic era and ...

You can use it on any wild Pokémon, whether it’s a legendary like Mewtwo, a mythical like Genesect, rare shiny encounters, or even the most mundane ones like a random normal Caterpie.