Lend me your knowledge....
In order to evolve Poliwhirl to Politoad, you need to give it a King's Rock (Hold) and then trade it to another game.
If you have two DS's or two Gameboys, you can trade it to evolve and then trade it back.
How to change your username
How to add a user avatar
Why was my post hidden?
Flags vs Downvotes
Official PokemonDb League
Type a Pokemon name, type, move or ability to see instant results.