Fulfill all the requirements listed.

– Baby Daisy – Earn at least a one star ranking in each 50cc Wii Grand Prix cup races

– Baby Luigi – Unlock eight Expert Staff ghost data in Time Trial mode

– Birdo – Defeat 250 people in online racing, or play Time Trial mode on sixteen different courses

– Bowser Jr. – Earn at least a one star ranking in each 100cc Retro Grand Prix cup races

– Daisy – Win the 150cc Special Cup

– Diddy Kong – Win the 50cc Lightning Cup

– Dry Bones – Win the 100cc Leaf Cup

– Dry Bowser – Earn at least a one star ranking in each 150cc Wii Grand Prix cups

– Funky Kong – Unlock four Expert Staff ghost data in Time Trial mode

– King Boo – Win the 50cc Star Cup

– Mii (Outfit A) – To play as the Mii associated with your profile, win the 100cc Special Cup

– Mii (Outfit B) – To play as the Mii associated with your profile in a different outfit, play through and complete all thirty-two time trials

– Rosalina – Have a Super Mario Galaxy save on your Wii

– Toadette – Play Time Trial Mode on all thirty-two courses