Powers: Viltrumites are incredibly powerful beings, with all the good superpowers written into their DNA. They are super strong, super fast, indestructible by most standards, and can fly. The Viltrumites also age more slowly the older they get and, similar to (but better than) human muscle biology, they can train themselves to get stronger, faster and more durable.
Weaknesses: Mark shares all of the same vulnerabilities that affect all Viltrumites including the bioengineered Scourge Virus, an intense allergy to the Klaxus plant and an unusually sensitive inner ear.
Bio: Mark Graysonís childhood was normal in every way, except for the fact that his father was the most powerful superhero on Earth. On Markís seventh birthday his father, Nolan, sat him down and revealed the origin of his powers. Nolan told him that he was a Viltrumite; an alien being whose people were a race of peaceful space explorers. He went on to explain that he had been sent to the Earth in order to hasten humanityís growth so they could join the galactic community. Finally, he told Mark that one day he would develop super-human powers. Each and every day following his fatherís revelation Mark woke up hoping that he had gotten his powers. Unfortunately for Mark, the process took a little longer than he hoped. It wasnít until his seventeenth birthday that his powers spontaneously manifested.