Who exactly is Jack Frost?

For many, the name Jack Frost evokes the smooth voice of Nat King Cole singing “Jack Frost nipping at your nose” in “The Christmas Song.” Depictions of Jack Frost typically feature him in shades of icy blue and white. Not only is he known for nipping at noses, but he is also credited with creating frost, especially the delicate fern-like designs on windows. But where did this frosty mythical figure truly come from?

A Glimpse of Frost

The earliest known mention of Jack Frost appears in Round about our Coal Fire: or Christmas Entertainments, published in 1730: “This Time of Year being cold and frosty generally speaking, or when Jack Frost commonly takes us by the Nose.” It's unlikely that the festive book's author, using the pen name Dick Merryman, invented Jack Frost, as the name seems to have already been a well-known reference.

Jack Frost was originally just a metaphorical figure representing winter's chill, often appearing briefly in conversations. For example, in the October 1806 issue of The Sporting Magazine, John Mason remarked, "that scoundrel poltroon Jack Frost has so benumbed my fingers."

By the 19th century, Jack Frost transformed from a mere expression into a distinct character. Hannah Flagg Gould's 1832 poem enhanced his mischievous persona by depicting him freezing fruit and shattering a pitcher, though he isn't directly named Jack. This playful, naughty image was reinforced in an 1841 song that asks, "Bent on mischief—who is he? / Jack Frost—Jack Frost." Jack Frost was first visually depicted in 1861 by Thomas Nast, who drew him as a general covered in icicles, referring to Union General Benjamin Butler's description of Jack as "our faithful old Ally of the North."

Soon, Jack Frost became a full-fledged literary figure. In 1874, Margaret T. Canby's story "The Frost Fairies" depicted Jack Frost, also known as King Frost, as the benevolent character responsible for the autumn leaf colors. L. Frank Baum, most famous for writing The Wonderful Wizard of Oz (1900), further developed Jack Frost in his 1901 tale "The Runaway Shadows, or A Trick of Jack Frost," where Jack is portrayed as the mischievous son of the Frost King. Unable to freeze children's noses and ears due to their warm clothing, Jack decides to freeze their shadows instead. Baum also featured Jack Frost in his 1902 work The Life and Adventures of Santa Claus, where Santa asks Jack to stop nipping children's noses, a request Jack reluctantly agrees to.

On Thin Ice

You might have heard that the origins of Jack Frost can be traced to Norse mythology, particularly a god named Jokul Frosti, whose name means "Icicle Frost." However, Jokul Frosti isn't actually a recognized mythological figure. Kari, the wind god, was said to have a son named either Jokul or Frosti, but there is no direct connection between this mythical ice entity and the Jack Frost of modern lore.

Across the globe, many cultures feature mythological figures similar to Jack Frost. This isn’t surprising, given that the frosty designs we see often appear as if created by a mystical being (the fern-like patterns on windows, for example, are actually caused by the temperature difference between the warm indoor air and the cold outdoor air). In ancient Greece, the god Boreas was thought to bring the cold northern winds of winter. In Russia, the figure known as Ded Moroz (Grandfather Frost) brings gifts to children instead of Santa Claus. Meanwhile, in Japanese folklore, a perilous spirit called Yuki Onna (Snow Woman) is said to roam the snow-covered landscape.

Over the years, Jack Frost has been portrayed in many different ways. Often, his mischievous or even villainous traits take center stage. For example, the teenage version of Jack Frost, voiced by Chris Pine in the animated film Rise of the Guardians (2012), highlights his playful side, while Martin Short’s portrayal in The Santa Clause 3: The Escape Clause (2006) leans more into his antagonistic nature. There are also softer interpretations, such as the stop-motion character in the 1979 Rankin/Bass Christmas special and the artistic Jack Frost from Terry Pratchett’s Hogfather (1996).

Moving away from the traditional image of Jack Frost, two films titled Jack Frost, from 1997 and 1998, present unique takes on the character. The 1997 film is a horror story featuring a serial killer (played by Scott MacDonald) who is transformed into a snowman, while the 1998 film tells the heartwarming tale of a father (played by Michael Keaton) who is resurrected as a snowman to reconnect with his family.