Mark Grayson (Invincible)
Mark Grayson is just a teen who's trying his best to navigate his life as a human and viltrumite, trying his best to be a good and strong superhero that everyone needs in the world.
About Mark Grayson (Invincible)
Mark Grayson is just a teen who's trying his best to navigate his life as a human and viltrumite, trying his best to be a good and strong superhero that everyone needs in the world.