Megatron (nicknamed "Megs" by Dot) is one of the main characters of the Nickelodeon animated television series Transformers: EarthSpark. He is a reformed Decepticon who teams up with humans in Autobots to hunt down rogue Transformers. Once the tyrannical overlord, he is now partners and best friends with Dot Malto.
He also believes that the Malto children, both human and Terrans alike, are the next step in peace between their two races.
He was voiced by Rory McCann, best known for portraying Sandor "The Hound" Clegane on the HBO series Game of Thrones.