they come out mostly at night.
You go right from Pewter City.
Mt Moon is only one floor in Heart Gold/Soul Silver.
Mt. Silver need rock climb + surf + waterfall Moltres
You can find clefairy in mt.moon, but it is very rare.
Clefairy, Jigglypuff, Nidorina and Nidorino
Clefairy, Jigglypuff, Skitty, Nidorino, Nidorina.
Mt Moon- 1F+2F, 5% chance of encountering a level 8 Clefairy. Safari Zone-Meadow (night)- Level 18 Clefairy. Safari Zone-Meadow (3 Peak objects)- Level 42 Clefairy.
Clefairy,Nidorino,Nidorina,Jiggypuff.That's all I can think of.
Whitney uses Clefairy and Miltank in Pokémon Gold/Silver/Crystal/HeartGold/SoulSilver and in the anime she has a Nidorina, a Clefairy and a Miltank.
no, no there are not
as far as im aware the only way to get it is trade it from gts or pokemon diamond, pearl or platiunm
Nidorino & Nidorina, Clefairy, and Jigglypuff. There could be others, but these are the ones I know for a fact :3