it is rotom
There is no number 152 in the Sinnoh Pokedex however number 152 in the National Pokedex is Chikorita.
Rotom is number 152 in the Sinnoh Pokedex.
In the sinnoh pokedex rotom is number 152 but in the national pokedex rotom is number 479 and chickorita is number 152
For the Sinnoh Pokedex: Rotom For the National Pokedex: Chikorita
The Sinnoh Pokedex only has 151 Pokemon in it.
Rotom
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.
First of all its SINNOH and its rotom
Rotom
Rotom: Old Chateau, night only
Rotom
Picachu