Being Superman is undoubtedly one of the most iconic roles in Hollywood, and for Henry Cavill, it’s a title that comes with worldwide recognition. However, even the “Man of Steel” isn’t immune to a little skepticism—especially when it comes to convincing teachers that he really is the superhero his nephew claims him to be.

In a recent interview, Cavill shared a humorous and heartwarming story from his personal life about a time when his nephew, who was about seven years old at the time, boasted to his teachers that his uncle was none other than Superman. Naturally, the teachers were a bit skeptical. After all, it’s not every day that a child casually drops the bombshell that their relative is one of the most famous superheroes in cinematic history.

As Cavill recounted, “I remember walking into the school, and his teachers were very skeptical. They didn’t believe him when he said, ‘My uncle is Superman.’ So, I had to prove it to them, in a way.”

In a classic moment of playfulness, Cavill decided to show the teachers just how convincing he could be. He didn’t pull out any superpowers or fly around the schoolyard, but instead, he shared a simple but effective trick—he took a selfie with his nephew, wearing a Superman t-shirt, which was enough to convince the teachers that this wasn’t just another wild childhood claim.

“It was a fun moment. My nephew was so proud,” Cavill added, smiling at the memory. It was clear that the young boy’s pride in his famous uncle had rubbed off on him, and it was a moment that would be hard to forget.

While Cavill’s superhero alter ego has certainly made an impact on the big screen, this lighthearted encounter highlights the magic that his role brings to the lives of children. For his nephew, having Superman as an uncle was a fact that deserved to be shown off—and for Cavill, it was a heartwarming reminder of how much joy his role has brought to younger audiences.

As Cavill reflected, “It’s a special thing to be part of something that means so much to them,” recognizing that, for many children, the idea of Superman isn’t just a movie—it’s a piece of magic that can make their world a little brighter.

For his nephew, that school day will surely be a treasured memory. After all, not every kid can say their uncle is Superman, and even fewer get to prove it to their teachers!