Halloween-themed office puzzle

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Across
  1. 4. A Netflix monster from the Upside Down, feared by the kids of Hawkins.
  2. 7. The terrifying extraterrestrial symbiote from Marvel.
  3. 8. Haunted doll who brings nightmares, known for her eerie presence.
Down
  1. 1. The dark lord feared by wizards and Muggles alike.
  2. 2. A famous transforming insect with black and yellow stripes.
  3. 3. The highly intelligent and mischievous god of mischief from the MCU.
  4. 5. Mischievous green creature from the world of fantasy and pranks.
  5. 6. Fanged nobleman who loves to bite necks and prefers the night