There is latios and groudon.
you cant but you can trade it from Pokemon soul silver
yes you can also catch them in soul silver.
you can't sorry NEED HEARTGOLD
You cant you will have to trade one from heartgold
You cant it was a speacial event
No, you cannot catch a Charizard in Pokémon HeartGold and SoulSilver.
i am sorry but you cannot obtain arceus in Pokemon heartgold or soulsilver.
No, you can't. It's a version-exclusive Pokemon, so you have to get it from a friend who has Soul Silver.
you need the blue orb which is only obtainable in heartgold
You can't catch Mewtwo in Pokemon Diamond and pearl and also platinum. But you can catch Mewtwo in heartgold and soul silver
You cannot catch a mew. You can only get it through events or cheats.
This website will show you all the Pokemon avaiable in Heartgold and Soul Silver.