Unless you trade with your friends - Impossible!
CHIKORITA!
You can't. You can only get it as a starter.
It's a starter pokemon.
You won't need to use an Action Replay to get a Chikorita in SoulSilver. Chikorita is one of the starter Pokemon in the game. Though, if you started out with another starter Pokemon, then yes, you will need to use an Action Replay to get a Chikorita.
Chikorita is #152, and it is a starter Pokemon you can choose from in Gold, Silver, Crystal, HeartGold, and SoulSilver.
Pokemon No. 152 is Chikorita, and is the starter Pokemon in HeartGold and SoulSilver, but can also be imported from Pokemon Emerald.
In the begining of the game, you can choose between todadile, chikorita, or cyndaquil. After you beat red, talk to professor oak to get a kanto starter, and steven to get a hoen starter.
U have to choose totodile as your starter and the person with red hair will battle u with one
They are Torchic, Treeko, and Mudkip. Reasearch them in a pokedex for more info.
I have them in Heartgold
It is a starter.
Chikorita.