Once you get to Cerulean City after going through Mt. Moon, you need to go north and beat the nugget bridge and Gary. Travel as far north then east as you can and you will come across a building opposite to a bridge heading south bridge. Go into the building and talk to the figure that looks like a pokemon, that's bill, then follow his instructions
Bill lives to the north of Cerulean City, Route 25.
Bill does not appear in Pokemon diamond and pearl, he is mentioned by bebe( the computer person in hearthome). Bill is the computer in Pokemon Gold and Silver.
It is pichu, the baby form of pikachu.
They stand north of Cerulean city.
in Pokemon yellow there is no Pokemon stadium
If you are referring to Bill, the guy in Cerulean City of Pokemon FireRed and LeafGreen, he isn't in Pokemon Pearl. There is another person, that does the same job as Bill, named Bebe. Her house is next to the Pokemon Center in Hearthrome City.
You don't need surf, just the ticket which you get from Bill after helping him change back from a pokemon into a human.
on Pokemon yellow on Pokemon yellow
No. They were made after Pokemon Yellow.
There is no Pokemon Spark Yellow game.
No, you cannot get Lugia on Pokemon Yellow.
Yes you can trade Pokémon between two Pokémon Yellow games.