Jack Ralph Cole was an American cartoonist best known for birthing the comedic superhero Plastic Man, and his cartoons for Playboy magazine.

Plastic Man is a superhero first appearing in Police Comics #1, originally published by Quality Comics and later acquired by DC Comics, appearing in their American comic books. Created by cartoonist Jack Cole, Plastic Man was one of the first superheroes to incorporate humor into mainstream action storytelling. This character has been published in several solo series and has interacted with other characters such as Batman and many others in the mainstream DC Universe as a member of the Justice League. He has additionally appeared in several television and video game adaptations, including a television show of his own named The Plastic Man Comedy/Adventure Show.