This is odd;
'' You can even upload you're own mii.
its weight class is the weight of the real mii, in tall and weight level of you're Mii''
- Ngamer (Netherlands)
That means we have 26*6= 156 karts/bikes?
A new video with some karts, and lots of other stuff, worth seeing, some new info. http://www.binaryjoy.co.uk/games/games-news/mario-kart-preview/#comment-2966
Oh, and if you want to see a picture of Toadete: (looks weird due to downsize, sorry)
http://www.vgchartz.com/games/userreviewdisp.php?id=261
That is VGChartz LONGEST review. And it's NOT Cute Kitten DS