When you press start, on the screen you can see the word 'Takara', immediately hold a & b together and keep pressing the select button. If you do it correctly, on the bottom of the option menu, you should see 'E8'. This cheat enables you to choose Evil leona, iori and Kagura. this also enadles you to choose more than one of the same person. Mr. Karate and Goenitz is also enabled.