William "Whilce" Portacio is a Filipino American comic book writer and artist noted for his work on such titles as The Punisher, X-Factor, Uncanny X-Men, Iron Man, Wetworks and Spawn. Portacio was also one of the seven co-founders of Image Comics, though he did not become a full-partner in the company, and is therefore not a member of its board of directors.

Iron Man is the name of several comic book titles featuring the character Iron Man and published by Marvel Comics, beginning with the original Iron Man series that debuted in 1968.