Deborah "Debbie" Grayson is the mother of Mark Grayson and the wife of the Viltrumite hero Omni-Man. She met him after he saved her life and married him knowing he was an alien. She is a major character in Invincible.

Deborah "Debbie" Grayson is a major character in Invincible, serving as one of the deuteragonists of Season 1 and tritagonists of Season 2 and onward. She is the wife of Nolan Grayson, the mother of Mark and legal stepmother of Oliver Grayson.

Mark says his goodbye to his mom, and goes with Eve to the transport ship. During their journey, Eve decides to give their daughter a name, Terra. Mark agrees to it, saying it’s a beautiful name, making another step to fatherhood.

2022年2月7日 · Mark Grayson is a normal teenager, except for the fact that his father Nolan is the most powerful superhero on the planet. Shortly after his seventeenth birthday, Mark begins to develop powers of his own and enters into his father's tutelage.

Deborah Grayson met an alien named Nowl-ahn in the early 1980's, after he saved her life. She married Nolan knowing he was a superhero and started showing him how to live on Earth. They had a son named Mark. When Mark was almost 18, he developed superpowers, and started going by the name Invincible.

Mark Grayson, recognized as Invincible, is the offspring of Nolan Grayson (Omni-Man) and Debbie Grayson. As a Viltrumite-Human hybrid, he started manifesting his powers around his seventeenth birthday. Under his father's mentorship, he trained to harness these abilities.

Mark Grayson is a normal teenager, except for the fact that his father Nolan is the most powerful superhero on the planet. Shortly after his seventeenth birthday, Mark begins to develop powers of his own and enters into his father's tutelage.