go to mr. backlots mantion and read his book on the table.
Its Phione in Pokemon Platinum, You can get it by breeding a Manaphy and a Ditto Actually; Rotom comes after Manaphy in the Platinum pokedex. Kthnx. http://pokemon.marriland.com/platinum/pokedex/list/sinnoh/ Rotom comes after manaphy in the platinum pokedex phione can be made by breeding a manaphy and a ditto but he's actuelly not in the platinum pokedex :D
Manaphy
manaphy i believe
Manaphy
You need to trade it from the game "Pokemon ranger"
In the Platinum pokedex, number 151-or the Pokemon after Palkia-is none other than Manaphy. Manaphy can be obtained after you beat the manaphy egg mission in Pokemon rangers. You then can transfer it to platinum via mystery gift. what you do you go to the Pokemon mation and go to the oner and behind him theres a book talk to the book and it will show you a picture of manaphy
sinnoh pokedex: manaphy, rotom national pokedex: don't have it yet
Number 151 is manaphy
In the Sinnoh Pokedex, Pokemon #151 is Manaphy, but in the National Pokedex it is Mew.
Manaphy. Go to the Pokemon Mansion on Route 212 and in Mr. Blalok's room, press A by a book to get Manaphy in the pokedex.
Manaphy you can see it in the Pokemansion in a book
you cannot get manaphy without action replay if you go to the Pokemon mansion with the garden theres a book you can read that will add it to your pokedex