A group of squirrels is driving the owners of one Toronto convenience store nuts, after the rodents have been caught on video stealing chocolate bars from their east-end shop.

“I always see them sneaking outside the door, looking in my store, and even right at me!” said Paul Kim, owner of Luke’s Grocery, 635 Logan Ave., near Withrow Ave.

“They come in and take Crunchies, Crispy Crunch, Wonderbar . . . ”

And those who are really bold “try to take Mr. Big.”

He’s seen pesky thieves slink in every fall for the past nine years — since he’s owned the store — but 2016 showed a spike in the rodent robberies with one to two bandits visiting the Kim family daily.

“I think we’ve lost up to . . . 48-ish bars this fall season,” Kim’s daughter Cindy said. “That’s an extremely rough estimate, though, because we have no way of knowing when we’ve been robbed — they’re very sneaky.”

With a sharp increase in chocolate robberies, Cindy set up a Reddit thread called “how to stop squirrels from stealing chocolate bars,” in hopes that the Internet could provide answers to stop the nutty activity.

She also used surveillance video from the store to catch the robbers in the act, which she later posted to Youtube.

“My wife and I don’t know how to upload these videos — but Cindy thought it would be funny to share online,” Paul Kim said.

Videos show the furry bandits — a light grey-brown one and a black one — inching tentatively into the store, grabbing a Kinder Bueno ($2) on one occasion, and a Crunchie bar ($1.80) the next time.

“We find them very, very cute . . . however, these squirrels have stolen considerably from us this fall . . . so . . . we’d like that to stop,” Cindy said.

The family has tried closing the door to prevent the thefts, but say that there are occasions while cleaning or re-stocking that the door needs to be left open for half an hour to an hour.

“(It’s) then, when the door is open and we’re not around for a moment, they sneak in. They’ve yet to fail,” Cindy said.

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Customers and passersby have also tried chasing down the bandit, but when it resorts to climbing up a tree, “it’s game over,” she said.

Correction – January 9, 2016: This article was edited from a previous version that misstated the intersection where Luke’s Grocery is located.