In this December 18, 2013 photo released by Six Flags Discovery Kingdom, 32 men dressed as Santa Claus ride the 150-foot tall SkyScreamer tower swing ride at Six Flags Discovery Kingdom in Vallejo, Calif. (Photo by Jason Quintos/AP Photo/Six Flags Discovery Kingdom)

An aquarium staff member embraces a Zebra shark as he swims with fish inside the Sunshine International Aquarium in Tokyo on December 11, 2013. (Photo by Shizuo Kambayashi/Associated Press)

Participants dressed as Santas ski from Uley's Ice Bar on Crested Butte Mountain, Crested Butte, Colo., for the first “Santa Ski Crawl” on December 14, 2013. There were over 425 in participants in this event. (Photo by Nathan Bilow/Crested Butte Mountain Resort)

A member of the “Skipper” yacht club, dressed as Santa Claus, sails his trimaran to mark the ending of the sailboat season on the Yenisei River, outside Russia's Siberian city of Krasnoyarsk, on December 18, 2013. (Photo by Ilya Naymushin/Reuters)

Santa Claus rides a 2014 Salsa Beargrease fat bike at Canal Park in Duluth, Minnesota. (Photo by Clint Austin/Duluth News Tribune/MCT)

A performer makes a trick dunk during a timeout in the fourth quarter of a game between the Boston Celtics and the Minnesota Timberwolves in Boston on December 16, 2013. (Photo by Michael Dwyer/Associated Press)

A member of the special police force dressed in a Santa suit descends from the roof of a paediatric clinic in Ljubljana, Slovenia, as part of a Christmas performance for patients of the clinic on December 18, 2013. (Photo by Srdjan Zivulovic/Reuters)

Participants compete in the 5th annual Michendorf Santa Run (Michendorfer Nikolauslauf) on December 8 in Michendorf, Germany. Over 900 people took part in this year's races. (Photo by Adam Berry/Getty Images)

An activist dressed as Santa Claus poses for photo in a zoo enclosure on December 19, 2013 in Prague. The Activists protest against the influence of Santa Claus in Czech culture feeling the tradition of Santa is a US tradition. (Photo by Michal Cizek/AFP Photo)

A man dressed as Santa Claus skates on an ice rink across from the Eiffel Tower on December 12, 2013. (Photo by Jacky Naegelen/Reuters)

Snow falls on a man wearing a Santa Claus hat during a visit to Times Square on December 14, 2013. (Photo by Julio Cortez/Associated Press)