Besides the one on Ho-oh and that you get from the Aide.
Without cheats, you cant, sorry, I never used mine or my master ball, and ive done everything there is to do in HG except fill the pokedex(thats the most boring part of all the games.
Actually Swampert, you can get one from a man on Route Two in Kanto.
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.