Electrobuzz will evolve after receiving two rare candies.
You have to trade while u have electrobuzz and he is holding a electrizer
you need the waterstone then go to iron island and find a girl with a purple hat and she will tell you how
Go to the great marsh by :khoury L. Russell
Sunnyshore City
On Route 222 which is on your way to Sunyshore City(it won't say that on your pokedex but it's there).
level it up while you're in mt.coronet.
No, you cannot. Pokemon Diamond and Pearl are in Sinnoh only.
You get the mystery gift from Pokemon ranger games.
The Union room in every pokecentre.
you must do a certain code
Pokemon Pearl Version ID For Action Replay APAE 31d0afde
where there are Pokemon close to the level as your Pokemon