Unlockable Characters and Vehicles - Mario Kart Wii

Characters:

50cc Star Cup - King Boo

50cc Lightning Cup - Diddy Kong

100cc Leaf Cup - Dry Bones

100cc Special Cup - Mii (Outfit A)

150cc Special Cup - Daisy

Mirror Grand Prix - Rosalina

Earn at least 1 star rank in all 50cc Grand Prix Cups - Baby Daisy

Earn at least 1 star rank in all 100cc Grand Prix Cups - Bowser Jr.

Earn at least 1 star rank in all 150cc Grand Prix Cups - Dry Bowser

Play all 32 Time Trial Courses - Toadette

Beat 250 People Online OR Unlock 16 Fast Staff Data Times in Time Trial - Birdo
Unlock all 32 Fast Staff Data Times in Time Trial - Mii (Outfit B)

Unlock 4 Expert Staff Data Times in Time Trial - Funky Kong

Unlock 8 Expert Staff Data Times in Time Trial - Baby Luigi

Vehicles:

50cc Leaf Cup - Turbo Blooper (Medium Kart)

50cc Special Cup - Piranha Prowler (Large Kart)

100cc Lightning Cup - Rapide (Medium Bike)

100cc Star Cup - Twinkle Star (Large Bike)

150cc Leaf Cup - Royal Racer (Medium Kart)

150cc Star Cup - Quacker (Small Bike)

150cc Lightning Cup - Dragonetti (Large Kart)

Mirror Star Cup - Dolphin Dasher (Medium Bike)

Mirror Special Cup - Phantom (Large Bike)

Mirror Leaf Cup - Bubble Bike (Small Bike)

Mirror Lightning Cup - Blue Falcon (Small Kart)

Earn at least 1 star rank in all 50cc Retro Cups - Cheep Charger (Small Kart)

Earn at least 1 star rank in all 100cc Grand Prix Cups - Nitrocycle (Medium Bike)

Earn at least 1 star rank in all 150cc Retro Cups - Aero Glider (Large Kart)

Play 8 Time Trial Courses - Magikruiser (Small Bike)

Unlock 1 Expert Staff Data Time in Time Trial - Rally Romper (Small Kart)

Unlock 12 Expert Staff Data Times in Time Trial - 1-Starrdo (Large Bike)

Unlock 24 Expert Staff Data Times in Time Trial - Sprinter (Medium Kart)

Nintendo Wii Wheel