Highlight Mezu at the team selection screen. Highlight the following characters in order: Mezu, Kim, Rosa, Gozu. From Gozu, circle the character selection screen once by highlighting the following characters in order: Rosa, Kim, Mezu, Gordon, Joker, Eagle, Hayate, Chung, Kage Shishioh, Gozu. Press D. Jyazu will laugh to confirm correct code entry. Jyazu will be selectable above Gozu. Shin Shishioh will be selectable above Kage Shishioh. Note: Activating this code will disable memory card saves, high score names, story mode ending, and tag partners.