As far as I know, you can only choose it as your starter, trade it in from another game, or cheat.
from Pokemon FireRed
They are not catchable on any Pokemon game,however you can trade to get the starter Pokemon squirtle and charmander on Pokemon Leafgreen/Firered.
You starter must be Charmander, and she will be in the wild.
Charmander, high defense,high attack
Charmander is one of the three starter pokemon choices at Professor Oak's lab it is required by the player to choose this pokemon to obtain it. Remember if you choose Charmander you cannot get Bulbasaur or Squirtle.
Charmander is a fire type of Pokemon. To get a Charmander egg in Pokemon FireRed, you can breed Charizard with Ditto.
Charmander Bulbasaur Squirtle
You can not catch a Charmander in Pokemon Firered you must ether choose it as your starter or trade one from Leafgreen
from Pokemon FireRed
Only charmander O.o
Trade a charmander from firered or leafgreen to emerald.
Charmander.
you cant
Breed him with a ditto, or a male and female charmander.
the starter Pokemon are charmander, bulbasaur, and squirtle.
migrate from firered or leafgreen
Trade from FireRed/LeafGreen