What if Mario Kart Ultimate was made using Mario Kart 8 Deluxe as a base? This is what I think the roster would look like.

Roster

Page 1

1. Mario
   1. Tanooki Mario
   2. Cat Mario
   3. Dr. Mario
   4. Other Mario variants
2. Luigi
   1. Painter Luigi
   2. Penguin Luigi
   3. Dr. Luigi
   4. Cat Luigi
3. Peach
   1. Cat Peach
4. Daisy
5. Rosalina
6. Pauline
7. Hammer Bro
   1. Boomerang Bro
   2. Fire Bro
   3. Ice Bro
8. Yoshi
   1. 8 color variants
9. Toad
   1. 8 color variants
10. Koopa Troopa
    1. Koopa Paratroopa
    2. Dry Bones
11. Shy Guy
    1. 8 color variants
12. Lakitu
    1. Lakithunder
13. Toadette
14. King Boo
15. Baby Mario
16. Baby Luigi
17. Baby Peach
18. Baby Daisy
19. Baby Rosalina
20. Metal Mario
    1. Gold Mario
21. Pink Gold Peach
    1. Gold Peach
22. Wario
23. Waluigi
24. Donkey Kong
25. Bowser
    1. Dry Bowser
26. Diddy Kong
27. Bowser Jr.
    1. Lemmy
    2. Larry
    3. Wendy
    4. Ludwig
    5. Iggy
    6. Roy
    7. Morton
    8. Pirate Bowser Jr.
28. Kamek
    1. Red Kamek
    2. Green Kamek
    3. Dr. Kamek
29. King Bob-omb
30. Monty Mole
31. Birdo
    1. 8 color variants
32. Funky Kong
33. DIxie Kong
34. Petey Piranha
35. Cranky Kong
36. Inkling Girl
37. Inkling Boy
38. Link
    1. Champion Link
39. Villager Male
40. Villager Female
41. Isabelle
42. Zelda
    1. Zelda (BOTW)

Page 2

1. Wiggler
2. Honey Queen
3. E. Gadd
4. Pac-Man
5. Ms. Pac-Man
6. Mametchi
7. Don-chan
8. Captain Toad
9. Sonic
   1. Shadow
   2. Super Sonic
   3. Hyper Sonic
   4. Metal Sonic
   5. Super Shadow
10. Tails
11. Knuckles
12. Amy Rose
13. Dr. Eggman
14. R.O.B
15. Baby Bowser
16. Baby DK
17. Baby Yoshi
18. Baby Wario
19. Baby Waluigi
20. Baby Pauline
21. Chargin' Chuck
22. Conker
23. Berri
24. Panther King
25. Spike
26. Goomba
27. 9-Volt
28. Ashley
29. Mona
30. Cackletta
31. ?
32. ?
33. Foreman Spike
34. ?
35. ?
36. ?
37. ?
38. ?
39. ?
40. ?
41. ?
42. Mii