It is at Route 212. Please, At Platinum, you could get the Poke'dex entry for Manaphy.
The Pokemon Mansion is home to some rare Pokemon. To find it in Pokemon Pearl version, go to route 212.
he is in the Pokemon mansion
There is no owner
No but rotom is
Happiny
No, but there is a Rotom in the TV.
south of hearthome city
You just walk in there dumbo - _-'
It is Impossible to do that
There is no Pokemon mansion in emerald. only in Pokemon red yellow diamond pearl and platinum. The first apperance on the Pokemon mansion was in Pokemon red which was the first Pokemon game in 1995. thank you
go down to the road under hearthome city.
Go to the trophy garden in the pokemon mansion