Christmas riddles

[The Popetator]

Merry Christmas!
To help get everyone into the christmas spirit I'm going to start a christmas riddle contest. The first person to guess the answer to the riddle wins a special prize. Then I'll post a new one and it will start all over again! Most of my riddles will probably be about christmas songs too!
1st riddle:
What is the following christmas song? What language is it in?
Adeste fideles,
laeti triumphantes;
venite, venite in Bethlehem;
natum videte regem angelorum.
venite, adoremus Dominum.
2nd riddle:
What are 10 names for Santa?
Bonus: What is Mrs Claus's Real full name?
3rd Riddle:
Who wrote the night before chirstmas? Extra funny thing: Who wrote the nightmare before christmas?
4th riddle: Name 20 christmas carols.  

[Anti-Drug Guild Mule]

Is it Latin for O come all ye faithful  

[The Popetator]

Awesome! That was right! your prize is 1000 gold!  

[catt725]

1. Santa Claus
2. Saint Nicholas
3. Sinter Klaas
4. Father Christmas
5. Saint Nikolaus
6. Papa Noel
7. Black Peter
8. El Nino Jesus
9. Pere Noel
10. Viejo Pascuero

Bonus: Jessica Mary Claus  

[Flateyrarhreppur]

catt725

1. Santa Claus
2. Saint Nicholas
3. Sinter Klaas
4. Father Christmas
5. Saint Nikolaus
6. Papa Noel
7. Black Peter
8. El Nino Jesus
9. Pere Noel
10. Viejo Pascuero

Bonus: Jessica Mary Claus

wowz how did u know all that?  

[moongirl23]

Those are some good riddles!  

[AngelxFiend]

;o  

[The Popetator]

Congratulations Catt725! You win 1000gold plus 500 gold for the bonus!  

[emotive~n~]

riddle 3:Clement Clarke Moore
bonus tim burton  

[The Popetator]

Awesome! Your prize is being sent right now!  

[catt725]

butheadbob

catt725

1. Santa Claus
2. Saint Nicholas
3. Sinter Klaas
4. Father Christmas
5. Saint Nikolaus
6. Papa Noel
7. Black Peter
8. El Nino Jesus
9. Pere Noel
10. Viejo Pascuero

Bonus: Jessica Mary Claus

wowz how did u know all that?

I'm on the internet, it's easy to find out those sorts of things.  

[Riiko16]

20 Christmas Carols

1. Sleigh ride
2. Joy to the World
3. Here Comes Santa Clause
4. Rudloph the Red Nose Reindeer
5. Silent Night
6. Noel
7. We wish You a Merry Christmas
8. The Twelve Thing Of Christmas
9. Oh Holy Night
10. Deck the Halls
11. Oh Christmas Tree
12. Oh Little Town Of bethleham
13. The First Noel
14. Frosty the Snowman
16. Hark the Harold Angels Sing
17. Jingle Bells
18. It's beginning to look a lot like Christmas
19. The Little Drummer Boy
20. Let it snow