Quantity Digits to Accompany Character Modifier Codes
00 - Morrigan
01 - Chun-Li
02 - Ryu
03 - Ken
04 - Hsien-Ko
05 - Donovan
06 - Felicia
07 - Sakura
08 - Devilot
09 - Akuma
0A - Dan

Note 1:
With this game, to use these codes, turn on the codes that you want to use, and then turn the effects down until you are in the actual game that you have the codes in for.