Complete and Utter Randomness

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Across
  1. 1. Russian grandmother
  2. 5. On sale
  3. 7. To annoy
  4. 11. Werewolf professor in Harry Potter
  5. 14. Red Slavic soup
  6. 16. Nickname for the 34th president of the USA
  7. 17. Salad hardener
  8. 20. Non negotiable
  9. 22. "You haven't even scratched the..."
  10. 23. River in south-west Asia
  11. 24. Title for Sanders and Mustard
  12. 27. 2003 Beyonce hit feat. Jay-Z
  13. 28. Finger ailment
Down
  1. 2. Animated Netflix series based off of a video game
  2. 3. Icarus's accessory
  3. 4. Warm flat sandwich
  4. 6. The third horseman of the apocalypse
  5. 7. Forever a child
  6. 8. Practical joke
  7. 9. Nutcracker composer
  8. 10. Gallifreyan race
  9. 12. Animated movie company owned by Disney
  10. 13. Child's protection from the dark at bed time
  11. 14. Women's top
  12. 15. Light contact made in passing
  13. 18. Enclosed work area
  14. 19. Bred perimeter
  15. 21. Homer's favorite treat
  16. 25. Of the throne
  17. 26. Pool water chemical