The Autobots are one of the factions of Cybertronians in the Transformers Universe. They usually find themselves defending both their own race and other species against the Decepticons (in the Great War) and upholding justice and freedom throughout the galaxy.
While the Autobots have usually found themselves outnumbered by the Decepticons, they have always had home-field advantage, having not only the humans' military support, but also having more places on Earth to fall back on, while the Decepticons are entirely unwelcome on Earth. Their leader is Optimum Prime