Like all Pokémon games, Pokémon Quest has got a selection of Pokémon within it. These are obtained by creating Dishes while Cooking and then evolving when suitable. This page lists all the available Pokémon and how you get them. Click the Pokémon to go to full details about them
Like the main games, Pokémon of the same species are never the same. They have IVs, in this case providing a stat point between 0 and 100, but with the maximum possible IV varying depending on the cooking pot.