Skullcruncher, a Decepticon Headmaster from the 1987 "Headmasters" saga, bonds with the Nebulan Grax—an industrialist who joined the Decepticons to eradicate competitors—to form a unified warrior. His robot mode features a lean, towering frame with green and pink armor, a black head accented by a gold faceplate, and articulated limbs enabling agile combat. He carries a white ray gun capable of demolecularizing metal surfaces, softening targets for his alligator form’s crushing jaws. Transforming into a heavily armored alligator, his alternate mode displays a green and pink scaled body, white clawed paws, and a pink tail. His gaping maw reveals sculpted teeth, engineered to shred weakened metals. A habitual teeth-grinder, Skullcruncher unintentionally signals impending strikes with audible rasps, undermining stealth but amplifying intimidation. Though formidable in strength, endurance, and armor, his methodical stalking pace and telltale dental sounds expose vulnerabilities during attacks. Despite these limitations, his resilience and destructive prowess in both modes cement his role as a loyal, high-impact Decepticon operative. The character appears across Marvel Comics and the "Transformers: The Headmasters" anime, maintaining his portrayal as a steadfast enforcer in the Decepticons' war against the Autobots.