Wallpaper:
     Put the disc in your PC CD-ROM and you will find a file named 
Omake.

Play as Carbuncle:
     Beat  the  game  in story mode. Hold R and press Y at either Free
Play or VS Mode.

Play as Dopple Aruru:
     Beat  the  game  in story mode. Hold L and press Y at either Free
Play or VS Mode.

Play as Dopey:
     Successfully  complete  Quest  mode. Pause at the ranking screen.
Hold L next to Satan and get "Dopey"!