how to get missingo

Go to Viridian City and talk to the guy that says he has had his
coffee and asked if your in a hurry and say no, then he'll show
you how to
catch pokemon. Third, Fly to Cinnibar Island and go into the place
where you turned in your
fossils and go into the third door and talk to the guy that you traded for a seel. Then, Leave the lab building and when you get outside Fly
back to Cinnabar.
Finally, Go to your right and surf up and down where it looks like your half on and half off land and you should run into a Missingno.

99 0f an item

First, have the item you want to duplicate in the sixth position.
Second, Finds MissingNo. (explained above) and then run from it
and the item in the sixth position
should be up t 99 (it'll have an arrow pointing in a diagnal direction
with a 9 at the end.
But after you do it my advise is to store 1 of them in your
computer in case
you run out of them. Some more advise duplicate a useful item
like a
master ball or rare candy or PP up.

how to get eggopi

(evolved togepi)
Go to the safari zone and find a box, go up to the box and press
"B" two times and out will come a pokeball, get it and you will
have a EGGOPI.

how to get togepi

First You go to the Elite 4 and beat them but when you get to
Lance save the
game and shut it off. Then turn it back on. Beat Lance then Gary.
Wwait until the credits are over. Then go inside your house and
you will see your mum on the table.Go up stairs and you will see
her on your bed. Talk to her.

how to get a mist stone

Go in the unknown dungeon and surf while surfing press "A"
every time you move. Every time you go in the item moves
around this should change any pokemon into a god pokemon.