From the Title Screen, choose Career Mode, then choose Start New Career. Name your character one of the following for a secret character.

Effect	Password
Secret Character 2	RIKKY
Secret Character 3	FREIDA
Secret Character 4	BIG DADY
Secret Character 5	ODAGGY
Secret Character 6	HASEGAR
Secret Character 7	JUNICHI
Secret Character 8	ATSUSHI
Secret Character 9	MALEBU