you unlock it by unlocking all minigames except boss bash .
On Mario Kart Wii unlock all the cups and do all the time trials. You'll get Toadette. And Mario Kart DS? I have no idea why this is, but you can't get her! Good luck!
completed time trial on all 32 courseswin 1,000 races when playing on Nintendo WFI hope this helps
Luigi Curcuit
You have to press up and down.
you cannot unlock link in mario kart but you can unlock dry bones, daisy, waluigi, and R.O.B.
Daisy, Dry Bones, R.O.B. and Waluigi.
You must beat some cups... then you play waluigi free
You can unlock: Daisy Dry Bones Waluigi R.O.B. With DS Download play or cheats: Shy Guy
Dry Bones, Daisy, Waluigi, R.O.B (Robot Operating Buddy).
You can't You can only unlock Daisy, Waluigi, Drybones and R.O.B However the one on the Wii, you can
Waluigi is Luigi's enemy. Just like Wario is Mario's enemy.
You can't unlock Petey Piranha in Mario Kart DS. It is myth character, and you could probably only obtain him if you sprite hacked and made some manual changes on the game. The four chanarcters which you can unlock on Mario Kart DS are Daisy, Dry Bones, Waluigi, and R.O.B. You can also obtain Shy Guy from hacks.
there are mario luigi peach yoshi toad dk wario bowser daisy drybones waluigi rob
complete the 2nd cup on 100cc
You cannot unlock Baby Mario in Mario Kart DS. He is only in Mario kart: Double Dash!!! and Mario Kart Wii.
You can't unlock Bowser Jr on Mario Kart DS.