First, you have to defeat Red at Mt. Silver. Once you defeat him, Fly back to Pallet Town and talk to Professor Oak. He is willing to give you one of the Kanto starters. You could either choose Bulbasaur (Grass/Poison), Charmander (Fire) and Squirtle (Water). Choose Charmander and evolve it.
You get charizard by getting a charmander at the beginning of your game. There are no wild Charizards. Or, you could trade with your friends.
You can't catch Rotom in heartgold.
you cant catch him in heartgold you can only get him in soulsilver
You can't catch him in HeartGold. Only in SoulSilver. In HeartGold, you catch Kyogre in Embedded Tower. If you transfer either Kyogre or Groudon to the other game, you can catch Rayquayza
You can catch Ekans in Pokémon HeartGold in the Safari Zone in the Marshlands area.
you can catch lugia in whil islands in heartgold
You can't catch Skitty in Pokémon HeartGold or Pokémon SoulSilver but you can catch it in the Hoenn Field in the PokéWalker device and then transfer it over into HeartGold or SoulSilver.poke walker .
you can only catch him in soulsilver
no
No.
NO!
You can only catch Vulpix in SoulSilver, not in HeartGold. You can catch it on route 36 and route 37.