there is shikimi (ghost types), giima (dark types), Caitlin (psychic types) and renbu (fighting types). the first time you beat them you have to fight n and geechisu instead of the champion. the second time onwards the champion is adeku (no specialty but he does have 3 bug types)
The Champion of the Elite Four in Pokemon Black and Pokemon White Versions, Alder, has the following Pokemon:Accelgor, Bouffalant, Druddigon, Vanilluxe, Escavalier, and Volcarona.
The Champion in Pokemon Black and White is only after you have defeated N and Ghetsis For the final time. Then the second time you battle the Elite Four/Pokemon League, You will battle Champion Alder. All his Pokemon are Lv 75.
Yes you can battle the elite four and the champion as many times as you want
The elite four, the champion, (Cheren, Bianca,you have to find them)and,(Cynthia,after you beat the game)
after defeating the elite four/ champion, you need to go to Nuvema town, and talk to Cedric Juniper.
When youre versing the champion
After you defeat the elite 4, You challenge the Champion and then you capture Reshiram.
You beat the Elite Four and Champion, but their are other things you can still do.
When you finally manage to fight him, his Pokemon will be levels 75 to level 77. But after beating the elite for twice to get to him you should be fine.
You beat the Elite Four once. *SPOILERS* Go to the Champion and you go to N's Castle, Zekrom (or Reshiram if you playing Black) will be there.
you could only get new Pokemon in black and white intill you beet the elite 4
Beat the elite four and before you battle the champion, Zekrom will appear.