then you probably used an action replay and you will have to restart your game by pressing B+UP+SELECT.
GeT mew
Misdreavus can be found in Mt. Silver or Cliff Cave.
go to a cave
Arceus is not obtainable in the Heart Gold and Soul Silver games.
You can find Mewtwo in the back of Cerulean Cave.
surf from cinnibar to get to the seafom islands in the east
seafoam islands; 15th gym
After the power plant starts working you go to the cave near cinnabar island and beat the gym leader Blaine. Hope it helped
You tell me
Cerulean Cave
Blaine. Seafoam Island (Cinnabar)
yes you can,in cerulean cave
go to icefall cave
GeT mew
mewtwo
it is in cerulean cave
Gary isnt a gym leader