@kpt25 : You're right. If we report about Ermac, then it's OK to report about The Nightmare. Then again, it's not OK to report about Ermac for a couple of reasons:
1) Sprites are used without permission
2) Binho himself didn't authorize it, despite being credited
3) Although it's OK at the Guild to use ripped sprites (considered open source there), I believe it's said that hand-drawn sprites/frankensprites are not OK to use without permission.
As for the Nightmare, for the moment that author's stuff won't be announced here either.