You can buy Thunder from the Department Store in Goldenrod
It's TM25, and $5500.
You can get the TM Thunder Wave in the Battle Frontier Shop
Trade from Pokemon Diamond, Pearl, or Platinum Version.
Bring a Pichu to Bill's Grandfather in Cerulea City where Bill lived in Pokemon Red & Blue.
Outage Thunder Aqua tail Wing attack
You must capture a Pikachu (after obtaining the national pokedex) from the Viridian Forest and use a Thunder stone on it.
no you can trade soulsilver pokemon to black
he is not in Pokemon soulsilver or Pokemon heartgold
POKEMON SOULSILVER come with a poke walker and the Soulsilver game
Pokemon soulsilver and Pokemon heartgold are basically the same game just different versions but i do recommend buying Pokemon soulsilver
You can breed about any Pokemon in SoulSilver except the Legendaries.
Pokemon 172 in soulsilver is cloyster the water/ice type pokemon
You need to get a dragon-type Pokemon in order to get suicun in Pokemon soulsilver.
Since these are Generation IV games, you an trade Pokemon from soulsilver to diamond, or reverse. hope this helps
You CANNOT LEGALLY download Pokemon Soulsilver.
You can't catch bastiodon in Pokemon soulsilver.