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The Kingpin, Wilson Fisk, is a ruthless businessman and crime lord who rules over New York City's criminal underworld with an iron fist. Duncan's portrayal of the Kingpin was widely praised for its depth and complexity, capturing the character's ruthlessness, ambition, and inner demons. With a commanding presence and chilling charisma, Duncan brought to life one of Daredevil's most iconic adversaries, leaving a lasting impact on the superhero genre.