Related Clues:

• Shades
• Scares
• Frightens
• Haunted house inhabitants
• Frightens, as a horse
• Startles
• Ghosts
• Antagonists in Scooby-Doo cartoons
• Some hanging Halloween decorations
• Halloween apparitions
• Halloween haunters
• Spies, slangily
• Ghosts and goblins
• Spies are ghosts
• British TV spy drama starring Peter Firth