Who am I?

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Across
  1. 2. Sparkle hair
  2. 4. I don't live up to my name
  3. 6. Everybody's friend
  4. 9. I can make you really itchy
  5. 10. Hej
  6. 12. What does that mean?
  7. 13. I'm more than just a destroyer
  8. 15. I am a palindrome
  9. 16. Our overlord
  10. 18. Big hair, don't care
  11. 20. roar tiny bird ham
  12. 21. Am I a place or am I a name?
  13. 23. My sidekick
Down
  1. 1. Wibbly wobbly woo
  2. 3. Tik tok, I think not
  3. 5. Teacher in training
  4. 7. Alpha female
  5. 8. Check out my new do
  6. 11. King of kindness
  7. 14. angry cattle
  8. 17. heart of gold, won't be told
  9. 19. DOOF OOFD ODFO DFOO ...
  10. 22. Spiderman