Famous names: Robert Kirkman and Cory Walker created the series, with artist Ryan Ottley replacing Walker about midway into the first year.
Crunchy goodness: 4
Spinoffs/Sequels/Copycats: As he finds success writing about undead versions of Marvel comic characters, Invincible has become the home for writer Kirkman's less successful original comic characters, including Tech Jacket, Brit and superhero team Capes. It's always good to keep those copyrights active, after all.
Memorable product tie-in: Each of the eight (to date) collections of the Invincible series is named after a TV sitcom, from the classics ("My Favorite Martian") to the ones you pretend that you weren't addicted to ("Perfect Strangers").
Deadliest spoiler: Mark's alien dad? Not only the most powerful superhero on Earth, but also the advance guard in a plot to invade and conquer the Earth. That's always embarrassing when your dad wants to slaughter your latest girlfriend.