Emmy The Robot / Nandroid - And finally! ...Just, Emmy? I think? Who IS that? And what's with Madeline's getup? And why is Emmy just float- ohh.

I think this is referencing an old concept art from before Emmy even became Emmy:

The comic and it's fandom would have been very VERY different if Dominic had gone with ghosts instead of robots.
Thank God he went with robots because then we would have to figure out who was Emmy and how and why did she die.