Disturbing theory about Arnold Schwarzenegger's character in Jingle All The Way

He may be more widely known as The Terminator and feeding his pet donkey carrots in his kitchen, but Arnold Schwarzenegger also has Christmas classic Jingle All the Way in his impressive filmography.

The movie sees his workaholic character discovering the true meaning of Christmas as he hunts for a coveted toy for his son.

Along the way he tangles with villainous postal worker Myron Larabee (played by Sinbad), who is also after the same gift.

But one fan has a pretty disturbing theory about the movie, and it hinges on Schwarzenegger's character and Myron.

So what is this crazy theory about the Christmas classic?

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Well, it's that Myron is not in fact a villainous postal worker. In fact, Myron is not anybody at all, because he doesn't actually exist.

That's right, Myron is a figment of Schwarzenegger's imagination.

Taking to Reddit to share their thoughts, they wrote: "Myron, Sinbad's character, only shows up at the most stressful moments for Howard, Arnold Schwarzenegger's character. That's a classic sign of psychosis.

"Myron also hardly interacts with the outside world. He's clearly a figment of Howard's increasingly disturbed imagination.

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"Indeed, in the final scene Schwarzenegger only THINKS he's blasting around on a jetpack: in reality he's actually the one chasing after his own son Jamie for the Turboman toy.

"Why Rita Wilson's character is OK with this unhinged behavior at the end though is beyond me..."

Far from being a rival for Christmas presents, Myron actually more like Tyler Durden from Fight Club.

And people certainly had a lot of thoughts about the movie theory and took to social media to share their thoughts.

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One wrote: "Didn't he blow up a radio studio? And when they are all chasing after the bouncy balls to get a turboman doll, Sinbad points at Arnold and yells, and everybody reacts to it.

"The movie is filled with instances of him interacting with people."

Another replied with an even more outlandish theory: "Sinbad actually was hit by a car and is in a coma while an Arnold Schwarzenegger marathon plays on the TV in the hospital.

"Sinbad is playing out the scenario in his head, but because he doesn't know what the jungle looks like it turns into a city and Sinbad is the predator."

A third wrote: "He literally starts choking a woman in the first scene he’s in, and a whole crowd of people chase after him after Schwarzenegger says 'he got two!' at which one bystander yells 'get the mailman!'"