#152 is Rotom found in the old chateau between 8pm and 4 am. Press A against the upstairs TV
Swinub is #203 in the Sinnoh Dex in Pokémon Platinum.
It is Leafeon.
happiny
wormadam
Dusclops
Vaporeon.
its a cascoon
Wormadam
porygon
Rotom
Glaceon
Dusclops