Create an image of a towering, muscular figure with a menacing aura, standing in a desolate, post-apocalyptic landscape, holding a sniper rifle. The figure should be wearing a tattered cowboy hat and mask that glows ominously. Their body is heavily muscled, showcasing immense strength and power. They are equipped with mechanical prosthetics for the left arm and leg, adding to their intimidating presence. In the background, there should be remnants of a destroyed town with signs swinging in the wind and ghostly figures lurking in the shadows. The sky is overcast with dark clouds, contributing to the eerie atmosphere of the scene.