If you mean the first Pokemon that was created, I believe it was Bulbasaur. It is the first Pokemon in the original PokeDex.
1st city
Turtwig...
Sunkern has the lowest EV values of any pokemon.
Darkrai is a 4th Generation Pokemon, Pokemon FireRed is a 1st Generation Pokemon - 3rd Generation Pokemon of course NOT
Pikachu.
You can choose either Chimchar, Piplup or Turtwig.
you get pikachu before the 1st gym in Pokemon leaf green
SHE IS IN UNDELLA TOWN 1st house next to the pokemon center
You kill the Gym Leader's Pokemon with your Tepig.
first get them on firered/leafgreen from the seven islands, then migrate them
Pokemon 2000
The first gym in Pokemon diamond is in Oreburgh City