When you think of , the last thing that comes to mind is hidden adult humor. The show, after all, was the epitome of family-friendly entertainment in the late '80s and '90s. But as it turns out, there was a little joke buried within the character of Uncle Joey that fans likely missed for decades.

Dave Coulier, the actor who portrayed the beloved Uncle Joey, recently spilled the beans on his podcast . According to Coulier, he was given the rare opportunity to choose his character's last name. He wanted something catchy, something that would make people chuckle—especially in the comedian circles he was part of. And so, “Gladstone” was born.

While “Gladstone” might seem like just another harmless surname, it was actually a cheeky reference to something far more adult.
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