By doing tourney and win the tourney.
You only haven't got Shy Guy and Kamek. If you finish Story Mode once, you'll unlock them
10996-yoshi & mario
You could get 24 characters in all
All characters are already available.
there are no cheats
you do all the races on 150cc
I have Mario Kart Wii and played it lots of times. I don't think you could unlock more characters. Or if you could, IDK.
To unlock Characters in Mario Kart Wii you must beat the single player races. When you get a gold trophy in all of the races and a star ranking in all the races you will have all the characters
Get gold trophies in all cups.
Just beat all the ccs then you get all of them. Either R.O.B or Waluigi will be last
beat all the cups on all ccs
I have all the characters but can't remember all the ones you can unlock but you can unlock all of them in SSE