Every catchable Pokémon in PTD 1 and 2 has a Shadow version of it. In PTD 2, every catchable Pokémon has a 1/8000 or 0.000125% chance of being found Shadow in the wild. All Shadow Pokémon in PTD 1 and 2 are available via wild (PTD 2 only), Game Corner, Achievements, Mystery Gift, and Breeding. They have a different colored sprite compared to Normal and Shiny Pokémon. They have a purple sparkle effect and a purple aura surrounding them. To find a particular Shadow Pokémon on this page, use the find function (ctrl+f), to find either by its name or number. (ie. Bulbasaur or 001).
See Also: Normal Sprites
See Also: Shiny Sprites