Pinhead should be intimidating, and it takes a man to be that. People keep saying, "You never read the book because Pinhead is a woman." No, Pinhead is not a woman in the book. The cenobites are just so scarified and messed up in the story that Frank can't distinguish their gender. There is one cenobite that is clearly a woman when Frank she's her naked and notices her pierced vagina, but that wasn't the Pinhead cenobite.