Cheren is in the last room of Victory Road before going to Victory Road. (Meet him on Route 5 first.) Bianca is in Professor Juniper's Lab. (I think after beating Alder, I'm not sure)
Yes. You find zekrom in Pokemon white and the white Pokemon in Pokemon black.
You have to beat the elite four and then look for him in the same spot he was when he fainted
You find the dubious disc at the p2 laboratory on route 17-18. You find the upgrade on route 15, very close to white forest. You have to beat a Pokemon ranger and have strength to push a boulder and get to it.
You can't find gible in pokemon white. You must trade it.
go to professor junipers lab
The elite four, the champion, (Cheren, Bianca,you have to find them)and,(Cynthia,after you beat the game)
Oshawott is available as a starter Pokemon in the game. If you do not choose it as your starter, either Bianca or Cheren will have it.
beat Cynthia at undella town complete unova and national pokedex get dive and go into the abyssal ruins at undella bay find the seven sages and find and beat cheren and bianca one more time.
I think he died
you cant find them after you beat the game
After you beat Ghatsis on Black or White, you cannot find him again.
As you head out of Driftveil city after you defeat Clay, you will run into Bianca. Battle her and she will give you Fly
Relic Castle after you beat the Elite Four.
you have to beat gym leaders
"You can find a picture on bulbapedia.com
No. He doesn't show up again.