'appy xmas, Jimbo!

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Across
  1. 2. the one and only
  2. 4. resident of wonderland
  3. 6. mystify
  4. 7. ampersand sans amper
  5. 9. neither past nor future
Down
  1. 1. sum of acrosses and downs
  2. 3. manna arrives ___
  3. 5. your favorite child
  4. 8. big apple headliner