No. 152 is Rotom.
Type: Electric/Ghost.
Height: 1'00''.
Weight: 0.7 lbs.
Gender: Unknown
Held Item: None
Primary way to find:
Examine the TV in the Old Chateau between 8 PM and 4 AM.
(Just switch your DS's time to some time between 8 PM and 4 AM.)
Swinub is #203 in the Sinnoh Dex in Pokémon Platinum.
It is Leafeon.
Wormadam
wormadam
Dusclops
its a cascoon
happiny
Vaporeon.
Pokemon Platinum has two different Pokedexes: the Sinnoh dex and the National Pokedex. In the Sinnoh dex, #152 is Rotom. In the National Pokedex, it's Chikorita.
porygon
Rotom
Dusclops