Can you pass Guerin?

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Across
  1. 4. Jack's frenemy
  2. 8. Is everybody in?
  3. 11. The state bird
  4. 12. Durable beyond belief
  5. 13. Shark tooth hawker
  6. 14. Where we rolled
  7. 15. Smallest skunk brother
  8. 19. Where Mark broke bones
  9. 20. Jack's joy
  10. 21. School bus stop condition
  11. 22. Jack's car wax spot
  12. 23. Site of numerous battles
  13. 25. C-boy's is super collectible now
  14. 27. Superior to Vikings from the West
Down
  1. 1. Mr is this the __________?
  2. 2. Baby Julie
  3. 3. Saturdays often happened here
  4. 5. Y-boy's favorite haircut
  5. 6. Milkshake target
  6. 7. Common household noise
  7. 9. Chris' Christmas tool
  8. 10. Tiny but biblical
  9. 16. Container of dreams
  10. 17. Deutschland recreated
  11. 18. P-boy's pal
  12. 24. Where's Julie?
  13. 26. A crafter