Possible Clues:

• Ghost in "Pac-Man"
• Very dark; stained
• Dark, like a starless sky
• A ghost in "Pac-Man"
• Like the sky on a moonless night
• Stained, like a pressman's apron
• Hard to see through
• Like a cuttlefish's discharge
• Jet from Kentucky home first
• Like material for writer that's popular -- okay, but oddly lacking