Unicron Prime is a powerful and ancient cosmic entity in the Transformers universe, often depicted as the main antagonist. Known as the Chaos Bringer, Unicron is a planet-sized Transformer with the ability to consume entire worlds. His ultimate goal is universal domination and destruction, standing in stark contrast to Primus, the creator of the Transformers. Unicron's immense power and malevolence make him a significant threat and a central figure in many Transformers storylines, often driving the Autobots and Decepticons to unite against him.