Deck Your Tacky Christmas Sweater With a Holiday GIF

Courtesy Digital Dudz

The infamous tacky Christmas sweater that is either loved, ridiculed, or both, each holiday season just got a whole lot better, or worse, depending on your perspective.

The Craze Behind That Ugly Christmas Sweater

Mark Rober is the rocket scientist, literally, behind Digital Dudz animated sweaters, which essentially turns the sweater wearer into a walking GIF, bringing a roaring fireplace, winking Santa Claus or even a snow globe to life on your chest.

Woman Cashes in on Tacky Christmas Sweater Craze

Rober is a former engineer at NASA's Jet Propulsion Laboratory who quit his day job to create clothes that incorporate smartphone app animations.

Watch the 'GMA' Wacky Christmas Sweater Competition

Courtesy Digital Dudz

The secret to Rober's Christmas sweaters, for sale on, is a Velcro pouch within the sweater sized to hold a smartphone. Sweater wearers then download the Digital Dudz smartphone app, "which brings the costume to life by displaying interactive animations, including beating hearts and moving eyes," according to the company's website.

Wacky Christmas Sweaters: 'GMA' Viewers Share Photos of Their Festive Wear

This year's sweaters, which range in price from $54 to $64, feature a "crackling fireplace," "caroling kitty," "creeping Santa" and "snowing snowglobe."

Woman Explains How to Create an Ugly Christmas Sweater

Rober, who could not be reached today by, first got the idea to go from scientist to fashion designer after watching his YouTube video for a Halloween costume made gory with the help of two iPads go viral in 2011, he told the New York Daily News.

That video has been viewed nearly four million times.

""I put it up the day before Halloween, and it went megaviral," Rober told the paper. "It got me thinking, maybe there's something here."

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