If you go up to the door at the end of the first stage without going in, then return to the beginning, you will find a secret character: Douglas Bild / Oozie Nelson from an earlier Jaleco title, "Rushing Beat" (the other character, Rick Norton / Jack Flack, is playable in this game). Douglas will apologize for not being able to help fight the Deutchland Moldavia (DM) corporation.