You can get Rotom in the Old Chateau at night after completing the Sinnoh Pokédex. It is found in the room with the TV by going up to the TV and pressing "A". Although Rotom itself is obtainable without it, it's other five forms cannot be obtained without a Secret Key.
that Pokemon is rotom. u can get him at night in the eterna forest at the haunted house in the room with the tv. But if u go in the wrong room befor getting the rotom then u hav to wait until next night.
In the Sinnoh poke'dex it's Rotom. In the National (Overall) Pokedex it's Chikorita.
you have to trade them from a game that has the national dex.
You must have the National PokeDex to capture Heatran.
the Pokemon is rotom to get him you need to trade it over from diamond pearl or platinum
Rotom is #479 in the national pokedex, and it is an Electric-Ghost type Pokemon.
in the national pokedex, it is chikorita, and in the sinnoh pokedex, it is rotom
Rotom.
For the Sinnoh Pokedex: Rotom For the National Pokedex: Chikorita
Im not positive that you can get rotom before the national pokedex but in the old chateau. In one of the rooms he is in the TV
478 is the Pokemon froslass which is right before rotom on the national pokedex. and 485 is the Pokemon heatran which is right after palkia on the national pokedex.
In the sinnoh pokedex rotom is number 152 but in the national pokedex rotom is number 479 and chickorita is number 152
rotom(legendary)
no because they are all the same
152: rotom (platinum pokedex) 152:chickorita (national pokedex) you can catch rotom when you examine the tv in old chateau between 8pm and 3:59am
sinnoh pokedex: manaphy, rotom national pokedex: don't have it yet
Rotom is not in the Pearl Pokedex.