Invincible (Season 1) is a 2021 adult animated superhero series, based on the Image Comics series of the same name by Robert Kirkman, Cory Walker, and Ryan Ottley. The series stars voice performances by Steven Yeun, Sandra Oh, and J. K. Simmons. Season one of Invincible follows Mark Grayson’s journey of becoming Earth’s next great defender after his father, Omni-Man, the most powerful being on the planet.