He-Man Power Clubs. As always, it's written in Matt's hilarious style.
Excerpt: "Pretty much everything the guide suggests is something I would’ve loved doing. Come up with a secret code that only club members could understand? Yes. Design new villains to help Skeletor behead the bitchy Sorceress? Yes. Make our own membership cards? Oh, YES!"
He also offers a link to his classic 2003 post, "Who was Photog?", all about a kid-designed character who won a Mattel contest once upon a time, and the X-E crowd's desire to find the now-grown kid who designed him.