Searching for the perfect custom pokemon card items? Shop at Etsy to find unique and handmade custom pokemon card related items directly from our sellers. Ditto (Image: Pokemon) So what is Ditto? Why do you want it? Ditto is a first Gen Pokémon - though it didn't appear in the first game release. Now it's available and you'll want it to complete your Pokedex. Told you they where packing some massive Pokeballs. I promised people a lewd version of my custom Pokemon Go Trainers, so here it is. There may be more of them.