I would say piplup, but that's just my opinion. go for the type you like best.
Piplup evolves (eventually) into empoleon which is Water/Steel.
Turtwig evolves (eventually) into Torterra which is Grass/Ground.
Chimchar evolves (eventually) into Infernape which is Fire/Fighting.
Piplup
starter Pokemon
Chimchar, piplup, and turtwig.
Pick him as your starter
in order from best starter to worse Piplup Turtwig Chimchar
You can get another starter if you get all the sinnoh pokemon. Proffeser rowan will ofer a johto starter.
you get piplup as a starter in Pokemon diamond/pearl/platinum
best starter- turtwigs evolution (Torterra) best pokemon found in wild- roselias evolution(Roserade) best legendary- Shaymin (Event)
YOU GET THE STARTER POKEMONS FROM THE BEGINNING!! JUST FOLLOW THE STORYLINE!!
Get action replay
pick it as your starter
Global Trade Station