He-Man was my high school swim team's mascot. Not officially, and not in any way that really concerned me. I don't even know the story; I just know that some of the guys a year or two older than me had a little He-Man figure they took to all of our meets to joke around with. It was entirely ironic, meant to be silly. But He-Man was always there.
Which doesn't really have anything to do with the book, except to say the heart of this book is about the children's toys and TV of the 1980s (He-Man, G.I. Joe, and the Transformers, in particular), which is me. I graduated high school in '89, watched