[Diana in Wisconsin]

Q. What Nationality is Santa Claus?

A. He’s North Pole-ish! (’North Polish,’ for those in Rio Linda...)

[BenLurkin]

Name the carol

Clues:
1. Bleached Yule
2. Castaneous-colored Seed Vesicated in a Conflagration
3. Singular Yearning for the Twin Anterior Incisors
4. Righteous Darkness
5. Arrival Time2400 hrs - WeatherCloudless
6. Loyal Followers Advance
7. Far Off in a Feeder
8. Array the Corridor
9. Bantam Male Percussionist
10. Monarchial Triad
11. Nocturnal Noiselessness
12. Jehovah Deactivate Blithe Chevaliers
13. Red Man En Route to Borough
14. Frozen Precipitation Commence
15. Proceed and Enlighten on the Pinnacle
16. The Quadruped with the Vermillion Probiscis
17. Query Regarding Identity of Descendant
18. Delight for this Planet
19. Give Attention to the Melodious Celestial Beings
20. The Dozen Festive 24 Hour Intervals