Rotom is #152 in the Sinnoh Dex in Pokémon Platinum, you can find it by interacting with a TV in the Old Chateau in Eterna Forest during the in-game time of night which is between 8 PM and 4 AM.
Swinub is #203 in the Sinnoh Dex in Pokémon Platinum.
happiny
wormadam
Dusclops
Vaporeon.
Swinub is #203 in the Sinnoh Dex in Pokémon Platinum.
It is Leafeon.
Wormadam
wormadam
Dusclops
its a cascoon
happiny
Vaporeon.
porygon
Rotom
Dusclops
Glaceon