DC Comics, Inc. is an American comic book publisher. It is the publishing unit of DC Entertainment,[2][3] a subsidiary of Warner Bros. since 1967. DC Comics is one of the largest and oldest American comic book companies, and produces material featuring numerous culturally iconic heroic characters including: Superman, Batman, Wonder Woman, The Flash, Green Lantern, Aquaman, Martian Manhunter, Nightwing, Green Arrow, Hawkman, Cyborg and Supergirl.