How to unlock new characters

•Baby Daisy 1 Star in all 50cc Wii-Cups
•Baby Luigi Unlock 8 Expert Staff Ghost Data in Time Trials
•Birdo Play Time Trials on 16 different courses or win 250 Wi-Fi matches.
•Bowser Jr. 1 Star in all 100cc Retro-Cups
•Daisy Win 150cc Special Cup
•Diddy Kong Complete retro 50cc Cups
•Dry Bones Win 100cc Leaf Cup
•Dry Bowser 1 Star in all 150cc Wii-Cups
•Funky Kong Unlock 4 Expert Staff Ghost Data in Time Trials
•King Boo Win 50cc Star Cup
•Rosalina Have a Super Mario Galaxy savefile and she will be unlocked after 50 races or get 1 star in all 8 Mirror Mode Cups
•Toadette Play Time Trials on all 32 different courses or win 1000 Wi-Fi matches.

Blue Falcon Play 4,200 races/battles.
Bowser Jr. Play 3,450 races/battles.
Cheep Charger Play 1,800 races/battles.
Dolphin Dasher Play 3,750 races/battles.
Honeycoupe Play 3,000 races/battles.
Jet Bubble Play 3,900 races/battles.
Jetsetter Play 4,500 races/battles.
Magikruiser Play 900 races/battles.
Phantom Play 4,050 races/battles.
Piranha Prowler Play 600 races/battles.
Quacker Play 2,400 races/battles.
Rosalina Play 4,950 races/battles.
Shooting Star Play 1,500 races/battles.
Sneakster Play 3,300 races/battles.
Spear Play 3,600 races/battles.
Sprinter Play 4,650 races/battles.
Super Blooper Play 300 races/battles.
Tiny Titan Play 1,200 races/battles.
Toadette Play 2,550 races/battles.
Zip Zip Play 2,100 races/battles.

Mirror Mode Play 4,800 races/battles.