Pikachu is not native to the Johto region. If you are playing Soul Silver / Heart Gold / Silver / Gold / Crystal, you must first gain access to the kanto region after defeating the elite four and getting the national dex. You can then meet Pikachu in Viridian Forrest.
in goldenrod city in johnto
you beat the last gym leader in johnto
it's the dragon cave.
there in the big biulding in johnto euratuk city
u don't go to johto in Pokemon platinum
In Johnto region by the 7th Gym when you surf.
no because the whole poke'dex is both national and johnto
Yes in the johnto go to the whirlpool islands to get a speal and evolve it
Pikachu's name is Pikachu.
A Pikachu evolves from a Pichu.
No. Professor Elm gives you one after beating all the Johnto Gyms.
Depends on the game in HG and SS beat the johnto elite four and go to the pokelethon