Swinub is #203 in the Sinnoh Dex in Pokémon Platinum.
Vaporeon.
happiny
wormadam
its a cascoon
Dusclops
Vaporeon.
happiny
wormadam
its a cascoon
Dusclops
Wormadam
It is Leafeon.
Glaceon
Rotom
Dusclops
porygon
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.