Invincible is a superhero comic book series created by writer Robert Kirkman and artist Cory Walker. It has been adapted into an animated TV series on Amazon Prime. The story revolves around Mark Grayson, a teenager who inherits superpowers from his father, the most powerful superhero on Earth. Invincible is known for its subversion of superhero tropes, its character-driven storytelling, and its exploration of the consequences of having superhuman abilities.