Mark Billings Badger (October 16, 1958), known as Mark Badger, is an American illustrator who has worked as a penciler, inker, cover artist, painter, and occasional colorist in the American comic book industry. In addition to his career as a comic book artist, Badger is a political activist and organizer, often mixing the comic book medium with activism. As an early adapter of digital tools to create comic art, Badger has taken to create web-based comics for the purposes of education and activism. Badger also teaches "Programming, comic books, and web development" at San Francisco’s Academy of Art University. Badger, a native of Cleveland, was diagnosed with multiple sclerosis at age thirty. He lives in Oakland, California.