Not long ago, it felt like every single guy in Hollywood was growing out a baby mullet. It wasn’t quite business at the front, party at the back, but it definitely leaned that way. The haircut struck a nice balance: a little bit ’80s, a little bit indie musician, and just scruffy enough to look like you didn’t spend half a day styling it. And around the same time, another one started gathering pace: the rogue little curl. Even Superman’s famous spit curl is essentially the same idea.