If blind people protested Blindness because it suggested the sightless were incompetent and savage, anyone who had a twin die in the womb with them should protest The Unborn for the implication that your dead twin will somehow continue to age into a creepy 10-year-old, then come back and haunt you and demand that you birth them:
That old, spider-walking guy is totally ripping off The Exorcist. Find an original way to haunt, dude.
Thanks to Kyle for this high-resolution link, and for the appropriate tagline suggestion: "Someone is about to get all unborn on your ass." It's so true.