“Something’s still missing,” he groaned. “Too generic.”
Jacob looked up, and saw his cat Fluffy entering. Fluffy carried the lifeless body of a mouse, proud of her conquest.
“Bad Fluffy!” The cat skedaddled.
A light bulb went off in Jacob’s mind. He resumed writing. “The invader was terrifying enough. But then it grew whiskers and fangs, and stabbed its prey lifeless, with an innocent ‘Meow’.”
He grinned. “Perfect.”