Pop Culture Mashup:

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Across
  1. 6. - Superman's weakness
  2. 8. - Matthew McConaughey's career resurgence
  3. 9. - last name of family in "Harry Potter"
  4. 11. - protagonist in "Star Wars" game
  5. 14. - god of the underworld in Greek mythology
  6. 17. - non-magical person in "Harry Potter"
  7. 18. Mifflin - paper company in "The Office"
  8. 19. - superhero team in Marvel Comics
Down
  1. 1. - Hogwarts house in "Harry Potter"
  2. 2. - character in "Game of Thrones"
  3. 3. - Hogwarts house in "Harry Potter"
  4. 4. - community college in "Community"
  5. 5. - time machine in "Doctor Who"
  6. 7. - actor who portrayed "Sherlock Holmes"
  7. 9. - Chewbacca's species in "Star Wars"
  8. 10. - character in "Guardians of the Galaxy"
  9. 12. - fictional African country in Marvel Comics
  10. 13. - school of magic in "Harry Potter"
  11. 15. - last name of "Game of Thrones" family
  12. 16. - warrior in "Star Wars"