Jamie Campbell Bower felt “in charge” playing Vecna in ‘Stranger Things’. The 33-year-old actor stars as the growling, sadistic character in the hit Netflix show, and he’s admitted to relishing the experience. Jamie – who endured eight hours of make-up every day to play the part – shared: “As an actor, you’re sometimes fortunate enough to be given a position of power within scenes. “It taps into a very interesting side of the human psyche, which is, ‘I’m in charge now’. “It’s quite an enjoyable moment to go through – obviously there were times where I felt bad for my fellow team members. So we…