I can't tell you all so look at this: click on this this then click on dpt.
http://www.serebii.net/pokedex-dp/
all of them in the regional pokedex
That pokemon is Azumarill in pokemon platinum in the national pokedex
Just go to Pokemon platinum central and click on pokedex and it shows you where to battle all the Pokemon in sinnoh.
No. 114 on Pokemon Platinum Pokedex is Tangela.
see all 210 Pokemon
i finished the pokedex bayleef is not on it for platinum
Go to serebii.net That's the Pokemon online pokedex...
You have to find all of the Pokemon in Sinnoh.
talk to rowan
After seeing all of the Pokemon in the platinum pokedex (250 I think) and beating the elite four. you can get the national pokedex which contains all 493 Pokemon
No.
you can get him in ruin maniac cave.you can also go to Pokemon marriland pokedex or platinum pokedex.