The only time slot one is empty is when you have not received your starter yet. Otherwise you must always have a Pokemon in slot one.
You can catch one in route 209 and route 214 if you have Pokemon leafgreen inserted in the gba slot of your DS.
There is only one known way to find Vulpix in Pokemon Pearl. To make Vulpix appear you need a copy of Pokemon LeafGreen in the GBA slot of the DS. While Pokemon LeafGreen is in the GBA slot Vulpix should start to appear on Route 209.
You can only catch lugia if you migrated it from firered or leafgreen. If you want lugia get one from heartgold or soulsilver version.
Go to the Goldenrod Department Store and go to the 5th store and buy the very first one the shows(TM70)witch is flash
Lance the Dragon Tamer of course! He is the Pokemon League Champion in HeartGold and Soulsilver. He uses a Charizard, Gyarados, Dragonites (yes, plural) and I think Altaria, I'm not completely sure on the last one.
You don't have to catch one to obtain a Dratini, but a little while after you earned the rising badge and go to the Dragon's Den, you can get a Dratini if you leave a empty slot in your party.
you catch one
For some reason the programmers took out the slot machines and in place only kept the card minigame so no one knows why the game corner is not similar to the original or that of leafgreen.
In HeartGold and SoulSilver, she does not battle you - which might be one of the reasons why she doesn't have a starter pokemon. Instead, she has a Marill.
you can not cach one in soulsilver. only in dimend and perl.
You can only get the Helix Fossil in Pokemon HeartGold. This means that to get an Omanyte or Omastar in SoulSilver, you must either trade for one or trade for a Pokemon holding one.
open and load the one you want to copy, sleep/save, and select the empty slot, and save you dim-wit
he dosent have one
Lugia is the only one.
The two regions in Pokemon Soulsilver are Johto, the region you start out in, and Kanto, the one you go to afterwards.
If by file you mean game then yes it is possible. Go to file-load game and chose an empty slot. HOpe this helps!
the blue one