#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.
its a cascoon
Dusclops
wormadam
happiny
Vaporeon.
Wormadam
porygon
Rotom
Dusclops
Glaceon