you don't you get them from emerald or firered/leaf green
Trade
type this code 010075DA and now u can get all three starter Pokemon
The three starters in Pokemon Crystal are Cyndaquil (the fire type) , Totodile (water) and Chikorita (grass ).
they are chimchar, piplup and turtwig
turtwig,piplup,and chimchar are diomonds three starting pokemon
you'll needcheats.
Get a Action Replay DS or trading.
You have to trade at the GTS
There is no other way.
You trade between two games, gold, silver, or crystal.
the three starter Pokemon are the same in platinum as diamond and pearl. They are chimchar-fire, piplup-water, and turtwig-grass.
you cant in platinum but you could trade from Diamond and Pearl or another Platinum.