Twelve demons merged with Norman Harrison, who, soon after, adopted the guise of Zodiac and used his abilities to harness powers based on the astrological Zodiac. Zodiac, as a criminal organisation rather than an individual character, was created by writer Roy Thomas and artist Sal Buscema. The organisation first appeared in "Avengers" #72 in 1970. First Appearances: Zodiac, the criminal cartel, made its debut in "Avengers" #72. Comprising members based on the zodiac signs, the organisation sought power and control through various criminal enterprises. Major Comic Book Story Appearances: Zodiac has been a recurring threat in Marvel Comics, often crossing paths with superhero teams like the Avengers. Notable appearances include story arcs in "Avengers" and "Defenders," as well as encounters with various individual superheroes. Full Bio: Zodiac is a clandestine criminal organization divided into twelve factions, each led by an individual representing one of the zodiac signs. Their goals typically involve amassing power, wealth, and control through criminal enterprises, often clashing with superhero teams who seek to thwart their plans. The identities of Zodiac leaders can vary, with individuals assuming the roles of Aries, Taurus, Gemini, and so on. The organisations structure allows for different characters to take up the mantle associated with their zodiac sign, creating a diverse and rotating cast of villains. Zodiac's schemes have ranged from corporate espionage to world-domination plots, showcasing the versatility and ambition of the organisation. Despite their ever-changing leadership, Zodiac's persistence as a criminal threat underscores their tenacity in the Marvel Universe. Power Set: Zodiac is not a single character but an organisation with members possessing diverse skills and abilities. Depending on the individual representing each zodiac sign, members may exhibit superhuman powers, advanced technology, or exceptional skills in various fields. Friends and Allies in the Comics: Zodiac members often collaborate with each other to achieve their collective goals. However, alliances within the organization can be tenuous, with power struggles and betrayals not uncommon. Zodiac's adversaries include superhero teams like the Avengers, the Defenders, and individual heroes targeted by their criminal activities.