An AI-generated interpretation of Cerberus, the legendary three-headed guardian of Hades, rendered in black and grey as a bold modern tattoo design. The composition centers on a muscular, coiled creature with three snarling heads, each bearing a distinct expression yet united in a single powerful silhouette. Crisp outlines anchor the forms while delicate cross-hatching and smooth gradient shading create depth without color, giving the piece a refined, fine-line tattoo look. Symbolically, Cerberus embodies thresholds, protection, and the vigilance of a boundary between life and death; the three heads suggest past, present, and future watching from different angles, while the taut limbs and bared fangs convey ferocity and resolve. The design uses negative space judiciously to allow the subject to breathe on the skin, making it readable from a distance and revealing minute details up close, such as fur texture and the emphasis on muscular structure. This black and grey tattoo design is perfectly suited for cover-up, versatile for placement on the arm, shoulder blade, or calf, and its high-contrast palette makes it suitable for cover-up applications where existing ink must be obscured; the dark masses blend with surrounding tones, and lighter highlights can be tuned by the tattoo artist to achieve seamless camouflage. The repeating rhythm of the three heads creates visual cadence across the canvas, guiding the eye along the creature’s spine and into the coiled form, offering opportunities for sleeve integration or a standalone statement piece. As a concept, it demonstrates how mythological figures can translate into contemporary body art with clarity and impact, balancing realism in anatomy with stylized line work that reads well on skin. The inclusion of AI in the design process is occasional and intentional, underscoring the fusion of ancient symbolism with modern technology, while the meaning remains universal: guardianship, endurance, and the crossing of thresholds through transformative ink.