Which reindeer do you mean, as any could be classed as 9th. Here are the names of ALL his reindeer:
Dasher
Dancer
Prancer
Vixen
Comet
Cupid
Donner (variously spelled Dunder and Donder)
Blitzen (variously spelled Blixem and Blixen)
1) dasher
2) dancer
3) prancer
4) vixen
5) comet
6) cupid
7) donner
8) blitzen
9) Rudolph
Nine. Rudolph is Santa Claus's ninth and lead reindeer and his bright red nose lights the way.
Traditionally, he had 8 reindeer until Rudolph was asked to guide the sleigh and he became the ninth.
Originally, there were only eight reindeer pulling his sleigh, notably: Dasher Dancer Prancer Vixen Comet Cupid Donner Blitzen However, in recent years, a ninth reindeer was added: Rudolph
At first, Rudolph was called "Santa's Ninth Reindeer."
First, it should be noted that this is a myth, a popular legend that has been told for several hundred years. It is a story about Santa Claus (or Father Christmas) flying through the sky in a magical sleigh, pulled by reindeer, to bring gifts to children all over the world. In the original telling, popularized in a poem called 'Twas the Night Before Christmas, there was no reindeer with a red nose; there were eight reindeer, and they all pulled the sleigh. A ninth reindeer, Rudolph, was added later-- in the 1930s, when a hit song about "Rudolph the Red-Nosed Reindeer" made him part of the story. But whether he was original to the story or not, the purpose of the reindeer with the nose that was "glowing" (not "growing") was to help Santa/Father Christmas see the homes with the good children, so that he could make sure they received their Christmas gifts.
RUDOLPH !! :]
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rudolph
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Taken from: http://www.answers.com/Santa%20Clause "Santa is said to fly around the world delivering his toys in a sled pulled by eight reindeer: Blitzen, Comet, Cupid, Dancer, Dasher, Donder (or Donner), Prancer, and Vixen. (A ninth reindeer with a shiny nose, Rudolph, was introduced in Gene Autry's 1949 country music hit "Rudolph the Red-Nosed Reindeer.")"9!!!! u can't forget roodof the red nosed reindeer!!
The ninth term in a series is called the "ninth element" or the "ninth member" of the series.
The first written story about the legend of Santa Claus and his eight reindeer was "A Visit from St. Nicholas," penned by Clement C. Moore in 1823. The legend is taken from Russian stories of Father Frost arriving in villages in a sled drawn by reindeer. The legend also existed in Holland, where children believed St. Nicholas would ride through the air, checking on children who misbehaved. The ninth reindeer, Rudolph, did not come along until 1939, in a story by Robert L. May.