Megatron is a fictional character and the main antagonist of the Transformers media franchise produced by the American toy company Hasbro and the Japanese toy company Takara Tomy. He is a young, charismatic leader forged in battle and the heritage of war, who believes in a grand purpose for his race: that it is the Transformers' glorious destiny to rule an empire which will span the universe. Megatron is the former brother in arms of Orion Pax and now the archenemy of the Autobot leader, Optimus Prime. He is widely considered one of the strongest Decepticons and grew up to become Lord High Protector of Cybertron while his close friend, Optimus, became the head scientist of the Cybertronian scientific division.