You can't. The only ones you get are through trades and the lvl 5 starter you picked. Or you could use the action replay Poke' Modifier cheat.
There is no way to catch a wild Torchic in Pokemon Platinum. The only way to get one in Platinum would be to transfer from the Generation 3 games (Ruby, Sapphire or Emerald) where it is a starter Pokemon.
Bulbasaur is a starter for the Johto Region, so you cant catch him in the Sinnoh.
No. But you can Migrate it from FR/LG if you chose Charmander as your starter.
no you can't because it a hoen Pokemon and a starter
try to catch your legendary. It varies on which legendary depending on what starter you chose.
how do you catch a mewtwo on Pokemon platinum
Piplup is a starter Pokémon so it cannot be caught.
you cannot catch the 3 regi's in Pokemon platinum you have to catch them in Pokemon emerald then transfer them to Pokemon platinum. thnx
he's a starter Pokemon. you can not catch starter Pokemon in the wild.
there is'nt an action replay code
There is if you have the action replay. Use the wild Pokemon modifier code and there is an advanced Pokemon modifier code for Pokemon platinum. If you don't have the action replay then you can't. You have to choose him as starter from Prof. Rowan.
the quickest and easiest way to do it is to get Pokemon emerald and catch a ditto and migrate it to platinum then put it in the day care with the starter Pokemon and wait till they have an eggPS: it will never be dittohope this helps