chatot
"Its tongue is just like a human's. As a result, it can cleverly mimic human speech."
Pokemon Platinum Pokedex Entry
Pastoria Great Marsh ( after national dex)
you have to fill up your Sinno Dex then talk to professor Rowan and Professor Oak will come any more questions? email me Isaac@aapt.net.au
No, there is not a Pokedex after the National Pokedex in Pokemon Diamond Version.
chatot
you compete the sinnoh dex.
Bulbasaur
you cant get every Pokemon be4 you get the national dex
Pokemon #080 (Sinnoh Dex) is Barboach.
it doesnt matter with time. you just have to have seen all the Pokemon in the sinnoh dex
What you have to do is catch all the Pokemon from all the other regions(complete national dex.
bulbasaur
You can get it in the underground after the national dex which you get after the Pokemon league