1948: Kirk Alyn embodies the superhero in a 15-chapter movie serial produced by Columbia Pictures.
Hairstyle influence: Post-war jubilance reflected in the tightest, bounciest spit curls since Shirley Temple.
Styling method: Most likely, pin curls. They're stronger than they sound. According to Hollywood stylist Chaz Dean, even the Legion of Doom would have trouble straightening out that forelock: "Once you set a pin curl, and it dries, it pretty much stays there."