Merry Christmas Duende

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Across
  1. 2. Alive or ? (4)
  2. 3. Winner of Big Brother 1 (5)
  3. 4. To hit, a good party (4)
  4. 6. Eldest son in Malcolm in the middle (7)
  5. 9. Riding a bike on one wheel, spelt wrong (6)
  6. 10. Genre of music, comes with doors (5)
  7. 11. David Attenborough, Elton John (3)
  8. 12. Another prince, regularly shits himself (6)
  9. 13. Order and ? (5)
  10. 14. Offspring of a shoemaker, Superman’s alter ego (8)
  11. 16. Climbing plant / BBC Radio 2 Presenter (6)
  12. 17. To do something frequently (1,3)
  13. 20. Roald Dahl Book Smart Girl (7)
Down
  1. 1. Genre of music, stainless. (5)
  2. 3. Prince (7)
  3. 4. Tom Hanks Film (3)
  4. 5. Where you find coal, Alton Towers Ride (3,2,8)
  5. 7. Chips and ? also comes on a board (5)
  6. 8. Compact and floppy (4)
  7. 10. Pokemon, evolved form of Drowzee (4)
  8. 15. Above a Corporal, Below a Captain
  9. 18. To murder or assassinate (4)
  10. 19. Disposable cutthroat, spelt wrong (5)