Chimchar will be at start mountain.
You can't catch chimchar in platinum.
You can get a Chimchar if you trade it from games Diamond, Pearl, and Platinum.
You have to choose it as a starter
Pick him as your starter
You can't. However, Chimchar can be found in Pokemon Diamond, Pearl and Platinum.
A Chimchar evolves into Monferno at Level 14 in Pokémon Platinum.
Piplup,Chimchar,Turtwig
at level 14
turtwig chimchar piplup
Grant
well to opinion the best beginner in Pokemon platinum is chimchar
your rival (if u started with chimchar)