Whether you call him Santa, Kris Kringle or Father Time he's busy on Christmas Eve visiting children all around the world.
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His image is synonymous with Christmas, this time of year you will find him as decoration in people's homes, visiting with children in the mall even dancing on a billboard.
For the last year Santa has been hard at work in the North Pole.
It starts with reading all those letters sent to him from children everywhere.
How many letters does Santa get each year?
Thousands of postal elves help Santa each year.
This year the Universal Postal Union says letters to Santa will top the 6 million mark.
While some children go high tech and send emails, most still put pen to paper.
Last year the Arctic Circle sent 600,000 letters to Santa
Canada 1.1 million
Brazil delivered 2 million to the big guy.
How does NORAD work?
NORAD has been tracking Santa since 1958.
At the official Santa tracking headquarters in Colorado Springs volunteers man the phones and answer emails on Jolly Old Saint Nick's location.
NORAD uses four high tech systems for tracking, radars, satellites, a Santa cam and fighter jets.
Where did the tradition of mall Santas come from?
Thousands of helper Santas fill in during the season for Santa.
In 1841, a store in Philadelphia had a life size Santa Claus on display, thousands of children came to see it.
Soon after stores realized a real life Santa would be much better for business.
In the early 1890s the Salvation Army began using unemployed men to dress up as Santa and ask for donations to help feed the hungry that eventually led to the Kettle campaign and bell ringers.