Ko wai au? Who am I?

123456789101112131415161718192021
Across
  1. 3. He has three O's in his surname.
  2. 4. The only person with an X in their name.
  3. 6. His first and last names start with the same letter.
  4. 8. His name starts with the last letter of the alphabet.
  5. 10. Wilbur's friend in _________'s Web.
  6. 14. Her name has 10 letters!
  7. 15. He is new to our school.
  8. 17. Her name rhymes with FREE.
  9. 19. Her surname is the same as a teacher at school.
  10. 20. Her name starts with the fourth letter of the alphabet.
  11. 21. His name rhymes with SPIDER.
Down
  1. 1. Her name is the nanny from The Sound of Music.
  2. 2. Her name is a shade of red.
  3. 5. Her name means WISDOM.
  4. 7. He has the longest surname in the class.
  5. 9. His surname rings at school.
  6. 11. His first and last names start with the same letter.
  7. 12. He has three E's in his name.
  8. 13. He shares a name with a Marvel character.
  9. 16. Her surname rhymes with PAW.
  10. 18. Her name is a gemstone.