We know you've been wondering.

For years, “Caillou” has delighted Canadian kids and annoyed their parents. But one question has crossed our minds: Why is Caillou bald?

A long-existing urban legend is that the four-year-old boy has cancer, which is one of the reasons why his parents always let him get his way. However, this simply isn’t true.

The TV series “Caillou” was actually based on a much younger character from an illustrated children’s book. In the story, Caillou was drawn as a nine-month-old baby. As he got older, publishers decided that giving the character hair would make him unrecognizable, so they decided to keep him bald.

“Caillou’s baldness may make him different, but we hope it helps children understand that being different isn’t just okay, it’s normal,” Chouette Publishing explained on their site.

Additionally, the TV show’s website revealed that preschoolers watching the show often overlook this detail. “The fact that he is bald does not seem to bother preschoolers in the least,” the site reads. “Not only do they never mention it, but when asked to think about why Caillou has no hair, our focus groups just laughed and replied: ‘He just doesn’t have any hair!’”

Despite this, some have speculated that Caillou would look pretty great with hair, nonetheless.

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