If you mean that there is work going on and he should be gone soon, hes lying. He will only go when you finish your Sinnoh Dex. You will then be greeted by Profeesor Oak I think there, then you may enter.
No you can not,but maybe in platinum dimond or pearl.
maybe......
sorry, no!you can only get it from GBA Pokemon games. I want one too so badly!luckily my sister has Pokemon RUBY(gba game). maybe u could trade or migrate with her.
Maybe
nooooooooooooooooooooooooooooooooooooooooooooooooooooooooo it's a platinum Pokemon only trades can get it maybe in the future but.
Then you have practically completed the game. Have you done the Team Galactic bit in Stark Mountain? Maybe you should try to migrate over the regis and get regigigas. Or how about the 3 birds and cresselia?
there is a guy under cycling road or maybe it is a wild pokemon
maybe you scratched it
i dont know maybe in mount cournet
Do not have a clue, maybe you can trade with someone for it
In Acuity Lakefront and maybe route 217.
Not likely... Maybe... No.