hobgoblin

noun2

1. •
   A small, ugly goblin that makes trouble for humans.

   • The eyes blinked out and he heard a faint grunt, followed by the sounds of the Hobgoblin scrambling further back into the tunnel, away from the faint sunlight and the Ur'hunglav's domain. — 2005
2. •
   (figurative) A source of dread, fear or apprehension; a bugbear.

   • A foolish consistency is the hobgoblin of little minds, adored by little statesmen and philosophers and divines. With consistency a great soul has simply nothing to do. — 1841