| “ | Earthlings, soon you will all perish! | „ |
| ~ Megatron |
Megatron, also known as Galvatron whilst in his prototype form, is the main antagonist of the Transformers film series. He is the main antagonist of Transformers, the secondary antagonist of Transformers: Revenge of the Fallen and Transformers: Dark of the Moon, a major antagonist of Transformers: Age of Extinction, and one of the main antagonists of Transformers: The Last Knight, alongside Quintessa.
He is an extremely powerful, destructive, and warmongering Decepticonhell-bent on ruling over humankind and the Earth. His cause has led to him come in conflict with his former brother-in-arms and archenemy, Optimus Prime. Once a former student of Sentinel Prime, he appointed to be Cybertron's Protector and commander of its defense force. But Megatron resented his brother, knowing he was a Prime and therefore Sentinel's favored student.
This anger allowed the Fallen to ensnare him and led to the revival of the Decepticons. Following the demise of both the Fallen and Sentinel Prime respectively, Megatron was brought back to life thanks to the machinations of Cemetery Wind, KSI, and Lockdown, and eventually teamed up with Quintessa to revitalize Cybertron by destroying the Earth.
He is voiced by Frank Welker, who also voiced the character in the original series.