Merry Christmas, Jim!

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Across
  1. 5. Prearranged and periodic.
  2. 7. Two, too, and ...
  3. 8. Follower of the white rabbit.
  4. 11. Ampersand sans ampers.
  5. 12. Ivan "blank" Terrible. Jim "blank" Clever.
Down
  1. 1. The sum of acosses and downs
  2. 2. Big Apple press.
  3. 3. Where the past and future collide.
  4. 4. The one and only.
  5. 6. To mistify.
  6. 9. Your favorite child.
  7. 10. Manna delivery schedule.