Vocalist Week is in full swing at Consequence . Here, Public Enemy co-founder and professional hype man Flavor Flav reflects on a life spent in both the background and the spotlight. Don’t forget to check out the 100 Best Vocalists of All Time , and stay tuned for more Vocalist Week features to come. The crowd is going absolutely wild. All eyes are locked in on the star. The energy in the room is reaching a fever pitch. Only when the second man on the stage starts to holler does the crowd shift its attention. “Throw your hands in the cair! And wave ’em like you just don’t care!” It’s a demand from a figure that isn’t centered, but their proximity to the leading act makes them a figure of authority. Not only is this person welcomed on stage — they’re needed there. The hype person is a crucial character in hip-hop. The original MC has a job to do: entertain. When the MC needs assistance, the hype person steps in to crank the energy back up through the roof.…