O-migod, O-migod you guys! All answers end in o!

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Across
  1. 4. Rice dish
  2. 5. deep purple/blue
  3. 7. Pizza sauce is made of...
  4. 10. NASA space program
  5. 12. Speaker of "I pray thee, good Mercutio, let's retire..."
  6. 14. Fruit
  7. 16. A nymph in greek mythology
  8. 18. Related to Prince Escalus
  9. 19. Napoleon lost this battle
Down
  1. 1. One single cereal piece
  2. 2. Argentinian dance
  3. 3. A game piece
  4. 6. Evil disney bird
  5. 8. Greek liquor
  6. 9. Greek god
  7. 11. Shakespearean magician
  8. 13. Evil Shakespearean character
  9. 14. he can control metal
  10. 15. ABBA song
  11. 17. Unleavened bread