you can get the starters in glazed in the proffessors garden after he admits you in
You can't catch torchic in pokemon glazed yet.
No, you cannot get Lugia on Pokemon Yellow.
Shadow Lugia is a fake pokemon. You can not obtain a Shadow Lugia in any Pokemon Game (so far). Shadow Lugia is just another rumor pokemon.
You can't get Dark Lugia in Pokemon Silver, Gold, or Crystal. You can get Dark Lugia in Pokemon XD though. For Pokemon Silver, Gold, and Crystal it is just the regular Lugia.
lugia isn't in Pokemon leaf green
No
Lugia is in Pokemon Silver, Soul Silver, and Heart Gold.
Lugia
You must trade to get Lugia.
You don't. Shadow Lugia is not available in Pokemon Platinum.
You don't. Shadow Lugia is not available on Pokemon Platinum.