Invincible is an American superhero comic book series created by writer Robert Kirkman and artist Cory Walker, published by Image Comics—more specifically under the Skybound imprint—beginning in January 2003.
The series follows the journey of Mark Grayson, a teenager whose father, Nolan Grayson (Omni-Man), is the most powerful superhero on Earth.
At age seventeen, Mark manifests his own superpowers and adopts the mantle of Invincible, navigating both adolescent life and the brutal realities of superhero conflicts.
Recommended reading list for this episode:
Invincible: Ultimate Collections
The Walking Dead (Comic Series)
Outcast (Comic Series)
Oblivion Song
Super Dinosaur
COMICS A-Z is the podcast that showcases the history of sequential art: comic books, comic strips, the characters, their creators, one letter at a time. Each episode highlights an interesting aspect of the long history of comics, as a creative medium and a growing industry.
Hosted by Kevin Cleary, a former executive with First Comics, Classics Illustrated, and TV Comics. Kevin was an advisor to the Overstreet Price Guide, The Overstreet Premium Ring Guide and a columnist/feature writer for the Comic's Buyers Guide, Overstreet Monthly, and Wizard Magazine. Kevin was also the Purchasing Director for Heroes World Distribution, the 3rd largest comic, card, and toy distributor in the country, and the founder of Quantum Licensing, a company that produced pins, rings, and other licensed comic related merchandise. Kevin currently works in Hollywood as a literary manager and occasional producer.
This podcast is made by humans.
© Kevin Cleary 2026
