I put theses in the order of easy to hard.
King Boo - Win 50cc Star Cup
Diddy Kong - Win all 50cc Cups
Baby Daisy - Attain at least 1 Star Rank for all 50cc Wii Grand Prix Cups
Mii (Outfit A) - Win 100cc Special Cup
Mii (Outfit B) - Unlock 32 Expert Staff Ghost Data in Time Trials
Dry Bones - Win 100cc Leaf Cup
Bowser Jr. - Attain at least 1 Star Rank for all 100cc Retro Grand Prix Cups
Daisy - Win 150cc Special Cup
Dry Bowser - Attain at least 1 Star Rank for all 150cc Wii Grand Prix Cups
Funky Kong - Unlock 4 Expert Staff Ghost Data in Time Trials
Baby Luigi - Unlock 8 Expert Staff Ghost Data in Time Trials
Birdo - Play Time Trials on 16 different courses/Get 250 wins online
Toadette - Play Time Trials on all 32 different courses
Rosalina - With a Super Mario Galaxy save, win a series of Grand Prix cups/Without Galaxy save, Attain at least 1 Star Rank for all Mirror Grand Prix Cup
diddy kong*
marshmallow2991 2 weeks ago
For diddly long, u only need at least 1 star rank for all 50cc RETRO cups ;)
marshmallow2991 2 weeks ago
so what you say is 4 expert staff data's is harder then 8? and 16 time trials is harder then 32?
wizdoodle 3 months ago
any tips on bowser jr who i use ill send pm when i see my friend code lol
SuperLinkandzelda 1 year ago
If there was Mii outfit C: Get all gold trophies (including mirror), and at least a 1 star ranking or more on every cup.
71773able 1 year ago