Invincible universe

In a universe where there are beings that are very similar to humans, except that they can fly and have superhuman speed and superhuman endurance, and as they grow older, their aging slows down, so that their lifespan can reach thousands of years. They are very technologically advanced and occupy planets to expand their empire... an empire. Voltram and Nolan Grayson is sent from the planet Voltram to planet Earth to occupy it. Nolan Grayson works on Earth as a superhero called Omni-Man under the care of Cecil, who is the Minister of Security for the entire planet. Nolan Grayson creates a family there with an earthly woman named Debbie and they have a son called Mark Grayson When Mark Grayson becomes 17 years old, he gains his Voltram powers and works as a superhero called Invincible. His father, Nolan, decides that it is the right time to occupy planet Earth, but his son Mark refuses, and because of that, Mark fights with his father, Nolan, wins but he didn't kill mark and he left

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