The Insider.com

Thanks to The Girls Next Door, we've become well acquainted with Playboy founder Hugh Hefner and his multitude of girlfriends, but we've seen little to nothing of Hef's offspring, and it's a damn shame.

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Born to Hef's ex Kimberly Conrad, the now 20-yr-old Hefner gave The Insider's Brooke Anderson an extensive, private tour of the infamous mansion he grew up in with his brother Marston. From the zoo to the grotto, Hef's fascinatingly down-to-earth and adorable son let us in on what it's like to live a seemingly out-of-this world life, as well as carry around a name most people associate with crazy parties and naked women.

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"It was relatively normal when you don't have anything else to compare it to," he answered with a shrug. "Everybody has an idea they know who you are by having celebrity attached to you. That's the toughest part."

As for his future with the family business, it seems Coop isn't opposed to carrying on the Hefner legacy. In fact, the two have been brainstorming ways to make the magazine more modern and appeal to an all-new generation of readers. Calling it an "honor," he says he's "closer than ever" to his father and wholeheartedly "believe[s] in everything [his] dad has done."

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