You can get them in the veilstone department store
here are a few places you can get them, best buy gamestop target walmart ect
No it isn't cheating because that's how you complete your Pokedex in Pearl/Diamond/Platnium.
no u cant get one unless u trade but try out the Pokemon diamond and pearl web site it is the home of Pokemon walkthroughs pokedex numbers ect hope i helped.
many Pokemon such as charmander, treeko, chickorita, ect. (the starter Pokemon) can only be obtained in emerald, ruby, sapphire, leafgreen, and fire red.
---- yes. and if you get 1000 win streak in da battle tower you can go to kanto,2000 jotoh,3000,hoenn ect ect ect .
I don't know anywhere you can technically 'catch' and umbreon. You can catch an Eevee in the game though to evolve into an Umbreon from the Trophy Garden (for Pearl/Diamond/Platinum I believe you can either trade/migrate from Pokemon XD: Gale of Darkness, Pokemon Colluseum, FireRed, LeafGreen, Ruby, Sapphire, or Emerald or with someone else who has one in diamond, pearl, ect. as well)
no you don't need ar to get legendarys like palkia,giratina ect.....
You have to import it from pokemon Platinum,diamond, soulsilver ect, or you have to trade for it.
I would recommend looking it up on Youtube.com. You can't really describe how to do things on games like Pokemon Heartgold, Soulsilver, Diamond, Pearl, Platinum, ect. Sorry!
Yes.yes, once you get the national pokedex in Heart Gold you can then trade Pokemon from sinnoh
On the game when you complete it (defeat N, ect) you can go to route 15, theres a place there where 2 DS's can comunicate to trade.. BUT you can trade Pokemon from Pokemon Diamond, Ect Ect. Or you could just use GTS trade in the Pokemon centres. :) Hope i helped!
There are two ways to get cheats for pokemon diamond, pearl, silver, gold, ect. for this first one you will need 20.00 + tax =22.00 to be safe if you go to walmart look for somthing called an action replay they should have it. or you can just look it up in youtube hope it helped, Logan4326