I expected there to be more then 18 characters:justno:

Let's see who we have so far.

1. Mario
2. Luigi
3. Peach
4. Yoshi
5. Wario
6. Donkey Kong
7. Bowser
8. Waluigi
9. Koopa Troopa
10. Baby Mario
11. Baby Peach
12. Toad
13. Baby Luigi
14. Boo
15. Daisy
16. Diddy Kong
17. ???
18. ???