The "Transformers Universe" is a fictional setting that features sentient robotic beings known as Transformers. These robots can transform into various vehicles, animals, and other objects, allowing them to blend into their surroundings. The main factions are the heroic Autobots and the villainous Decepticons, who often engage in epic battles for control of their home planet, Cybertron, and other worlds. The franchise began in the 1980s with toys and expanded into animated series, comic books, and live-action films. Key characters include Optimus Prime, the leader of the Autobots, and Megatron, the leader of the Decepticons. The Transformers Universe explores themes of heroism, friendship, and the struggle between good and evil.