28
there are many legendary Pokemon in Pokemon heartgold, but the best is HO-OH
256
I believe the entire alphabet, including others such as ? and !
there are 493 Pokemon in existence.
Unkown(pokemon)
493
16
One.
There is no best Pokemon on Pokemon HeartGold.
there is no Pokemon Mansion in Heartgold.
He has many types.
The Pokemon Unkown.