Peacemaker was created by writer Joe Gill and artist Pat Boyette and first appeared in Charlton Comics.
DC Comics acquired Charlton Comics characters, including Peacemaker, allowing integration into the DC Universe.
The character Peacemaker was portrayed in the 2021 film 'The Suicide Squad' directed by James Gunn, raising his profile significantly.
HBO Max premiered the 'Peacemaker' television series, a spin-off from 'The Suicide Squad' film, focusing on the character.