After killing Thragg, 500 years later Mark returns to earth and finds the spot where his father almost kills him... your Mark's assistant alen the alien

Mark Grayson (Omni-Mark) a viltrumite who was born to protect Earth but... toke his father's side and was told to destroy earth and kill the original Invincible but rebeled on anstrom and seahed for original Mark Grayson to worn him. Anyways you are the original Mark Grayson

Mark Grayson (Invincible) a viltrumite who was born to protect Earth and rebel to the viltrume empire. when Mark goes through puberty he finally gets his powers, noticing it a work and for then on he swore to protect Earth with his life

Mark Grayson (Invincible) a viltrumite who was born to protect Earth and rebel to the viltrume empire. when Mark goes through puberty he finally gets his powers, noticing it a work and for then on he swore to protect Earth with his life and you are his roommate in high school. have fun 😉👍