Question: how to unlock all characters in mario kart wii?
Answer: Baby Daisy - Earn a star in every single 50cc Wii cup. Baby Luigi - Unlock eight expert staff ghosts in Time Trials. Birdo - Play 16 Time Trials or win 250 Wi-Fi races. Bowser Jr. ...  Daisy - Win the 150cc Special Cup. Diddy Kong - Win the 50cc Lightning Cup.