You can not.
on the pokewalker
It is uncommon to find one in HeartGold, it can be found in the National Park during the Bug-Catching Contest.
you can find pikachu in viridian forest
safari zone
Dark Cave
you cant catch persian in heartgold.... i think
No, Giovanni doesn't have Persian in his party in Pokémon HeartGold.
In Pokémon HeartGold, you can find the 3rd Gym Leader in Goldenrod City.
You cannot find Deoxys in HeartGold, or SoulSilver. You can only get Deoxys through trading or at a Pokemon Event.
No, you can not get registeel in HeartGold or SoulSilver. The only way to get it, is by trading
Groudon is unavailible in Pokemon heartgold trade from soulsilver to get groudon.
You have to talk to a girl that has a Persian next to it in the national park. I think she is sitting on a bench southeast of the park.
Mt.silver
trade
in safari
You cant!
no you can't