The Decepticons are the main antagonistic faction of the Transformers Cinematic Universe. They are a race of sentient robots from the planet Cybertron created by the Creators.
They serve as the main antagonistic faction of Transformers, Transformers: Revenge of the Fallen, Transformers: Dark of the Moon, Transformers: The Last Knight and Bumblebee, and the secondary antagonistic faction of Transformers: Age of Extinction (as Decepticons-prototypes KSI).