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I wouldn't try that...I'm Invincible.
~ Mark Grayson.
Because you're a Viltrumite who clings to the old ways. You value and respect only strength. You feel only the strong deserve to live. You cling to practices that pushed our people to the edge of extinction. You see us as people living only for conquest, measured only by the size of our empire. No room for peace. No room for compassion. No room for love. You thought you were keeping the empire alive--pulling us back from the brink of extinction. The truth is you were holding us back. Under your leadership the Viltrumites stood for nothing... fought for nothing. Just like you. Look at what they became under my father's leadership. Look at how they transformed. You can't see it... you can't allow yourself to see it. But it's there. They're here--they're fighting for Earth--for their families there. It isn't a huge shift, but it's there. It shows the potential of what the Viltrum Empire can be. It proves there was a compassion in our people... always there beneath the surface, buried under all that strength and fury. It's there, waiting to be nurtured so it can grow. We can be a force for good. We can spread peace throughout the galaxy.
~ Mark Grayson.

Markus Sebastian "Mark" Grayson, better known by his hero mantle Invincible is the titular hero of the same series.

He was created by Robert Kirkman and Cory Walker. A young man new to the superhero scene, but nonetheless enthusiastic about doing good in the world. He gained his powers during his last year in high school, and decided to become a superhero like his father.

He is half-human and half-Viltrumite hybrid who spends most of his time protecting innocents and is also a father. His father Omni-Man was the emperor of the Viltrumite and was the member teen team later renamed New Guardians of the globe.


Early Life

Mark is the son of superhero, novelist, and Viltrumite Nolan Grayson and Deborah Grayson on Earth. Mark would learn of his heritage form his father, and got his powers upon his senior year at Reginald Vel Johnson high school. Mark got his powers when throwing the trash from Burger Mart, throwing the bag in the atmosphere.

Becoming a Hero

Upon getting a costume from Art and taking the name Invincible from his principal (who told him he was not invincible when protecting someone from a bully), Mark would embark on defeating villains such as his teacher David Hiles and a zombie like creature with his best friend William Clockwell. Around this time, he was ordered by his father to stop an alien that would come to Earth, but befriended the alien named Allen and realized that he was going to the wrong planet for years.

Mark met the Teen Team, befriending member Samantha Wilkins/Atom Eve and later would protect the world from a Flaxan invasion alongside his father. Mark's secret identity was revealed by William, who said he would not tell anyone, and was later learned by Samantha. Though all was going well, members of the original Guardians of the Globe were being killed by his father, who revealed that he was an agent of the Viltrumites to take over Earth, as their species were conquers instead of peaceful explorers.

Mark fought his father and resisted his attempts to make him understand, leading to him to be beaten by his father across the world until Nolan left (not being able to kill his son). Going into a coma, Mark would later awaken and work for the government with Cecil Stedman to stop galactic threats. Stedman later sent Mark into space, and Mark met with Allen once again, and informed him that he was a human-Viltrumite hybrid and that his father left the Earth. Allen sympathized with Mark, and asked him what he was going to do, and Mark replied that he was going to finish high school.

Later on, Mark worked with Eve and the Guardians of the Globe in fighting the Flaxans once again, and defeated them by destroying wrist band that slowed down their aging process. Upon returning home, he sees the Immortal levitating near his house, and learns the he will be watching him so he won't follow in his father's footsteps. Mark argued that he wouldn't do so, and the Immortal flew off, and Mark later met Cecil in his room, who told him that his conversation with his father was leaked.


It's about time.
~ Mark after getting his powers for the first time.
You think you've saved us--by taking the problem away--by killing us, so that we don't harm the ecosystem, so that we don't warm the planet--because there are less of us? You've just slowed things haven't fixed a damn thing. You're making it possible for us to continue our old ways of life, you're only delaying catastrophe--not avoiding it! These people could have died for nothing. Think about it. Maybe you don't have all the answers.
~ Mark Grayson
No, I’m the one who should be apologizing to you, Oliver. The past few weeks, I’ve been training you…I think I’ve learned more than you have. I scolded you…I yelled at you—thought I knew better. I thought you were misguided, naïve—I was wrong. You were right the whole time—but I’ve learned my lesson. Someone tries to hurt my family—someone I love—if there’s another villain out there putting lives in danger—who’s just keep coming at me until they finally succeed…I won’t hesitate to kill them.
~ Mark to Oliver.



  • Mark is an avid comic book fan himself.
  • He is similar to Superboy (Kon-El) from the DC universe.
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