can you explain this?

1234567891011121314151617181920212223242526272829303132333435
Across
  1. 2. Early is the bird who gets the bookworm
  2. 3. the colonel of the fried chicken
  3. 7. Mad legend
  4. 9. ground control to navy submarine
  5. 10. the wordsmith
  6. 12. the multicoloured artist
  7. 16. the flouriest of them all
  8. 18. HANNAH! ______!
  9. 19. the sweetest of us all
  10. 21. braids, just braids.
  11. 22. one half of evilds
  12. 23. the original horsegirl
  13. 25. the welsh mother of lambs
  14. 26. one half of evilds
  15. 28. the most uncouth
  16. 31. full of baked goods
  17. 34. the silliest of them all
  18. 35. Ellen can't say her name
Down
  1. 1. Presenter legend
  2. 4. The traitor
  3. 5. the fellow traitor
  4. 6. he's part of the magic circle
  5. 8. needs a knee replacement
  6. 11. legs
  7. 13. The one who never eats
  8. 14. the breaker of ankles
  9. 15. The snack monarch
  10. 17. the owner of 'the disappointing hole'
  11. 20. the only remaining greek
  12. 22. The mother of the explainers
  13. 24. the choral wonder
  14. 25. the ultimate napper
  15. 27. he's the man!
  16. 29. she's up the duff
  17. 30. The one with the helmet that matches
  18. 31. The one who is done with it all
  19. 32. the first rocketeer that you saw with elbows out
  20. 33. won’t stop talking