you have to go to an event
Cheating is your only option.
find celebie and go back in time you will find Giovanni hiding in a cave.
You need to get it from the GameShark, trade for it, or you would be there to get it from the Nintendo Rep.
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
sadly no celebie is not in super smash bros melee.
They are not in Pokemon HeartGold
where is the pokemon transfer lab in heartgold
No, but you can trade Pokemon only in HeartGold to Black
Aura Beam is in Pokemon HeartGold.
That is impossible in Pokemon HeartGold and SoulSilver.
Technically,yes you can get Arceus in Pokemon Heartgold,but only by trading it to your Pokemon Heartgold game from Pokemon diamond,pearl or platinum.