Transformers
Transformers is a media franchise produced by American toy company Hasbro and Japanese toy company Takara Tomy. It primarily follows the heroic Autobots and the villainous Decepticons, two alien robot factions at war that can transform into other forms, such as vehicles and animals. The franchise encompasses toys, animation, comic books, video games and films. As of 2011, it generated more than ¥2 trillion ($25 billion) in revenue, making it one of the highest-grossing media franchises of all time. The franchise began in 1984 with the Transformers toy line, comprising transforming mecha toys from Takara's Diaclone and Micro Change toylines rebranded for Western markets.