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The work of makeup was also pretty much in the hands of the makeup team, and hence much was done to transform Bower. Designing every detail in Vecna, they made him a nightmare figure whom fans fear more than anything else.

Stranger Things has delivered plenty of eerie moments over its seasons, but few characters have terrified both fans and cast members alike more than Vecna. Millie Bobby Brown, who plays Eleven, recently shared how deeply Jamie Campbell Bower's performance as the nightmarish character affected her on set.

I am terrified of his costume,” the actress revealed Millie Bobby Brown struggles with separating reality from fiction when it comes to Jamie Campbell Bower’s Stranger Things character, Vecna. During an appearance at the Stranger Things Epic Con panel on Oct.