A detailed close-up of a venomous creature with its mouth open in a menacing snarl, inspired by film key art, with influences from Charles Fremont Conner. Capture this as a full image set against a clear, darkened background suited for a striking profile picture at 1024px resolution. The setting includes elements reminiscent of a bright, blue-hued wall, blending with the creature's detailed full-body portrait. It is poised in a dynamic stance, as if emerging from a shadowy sewer. The creature’s sharp teeth and sleek body are striking against the dim setting, illuminated to highlight the tension and fierceness of its potential bite.