A realistic full-body portrait of a superhero representing all twelve zodiac signs. The hero, named 'Zodiac Unity', has a dynamic and harmonious design, incorporating elements from each zodiac sign. The costume features a multifaceted design with twelve distinct sections, each representing a different zodiac sign and its characteristics. For example, a ram's horn for Aries, scales for Libra, and a scorpion tail for Scorpio. The colors are a blend of the various zodiac colors, creating a vibrant and cohesive look. The superhero's pose is powerful and confident, symbolizing unity and the diverse strengths of each zodiac sign. The background should be cosmic, reflecting the celestial theme of the zodiac.