Grant Morrison is a renowned Scottish comic book writer, screenwriter, and producer. Their work is celebrated for its nonlinear narratives, humanist philosophy, and countercultural leanings. Morrison has written extensively for the American comic book publisher DC Comics, penning lengthy runs on Animal Man, Doom Patrol, JLA, Action Comics, and Green Lantern. They have also worked on a variety of graphic novels including Arkham Asylum, JLA: Earth 2, and Wonder Woman: Earth One. Their notable works include the meta-series Seven Soldiers and The Multiversity, as well as the mini-series DC One Million and Final Crisis. Morrison's best-known DC work is the seven-year Batman storyline which started in the Batman ongoing series and continued through Final Crisis, Batman and Robin, Batman: The Return of Bruce Wayne, and two volumes of Batman Incorporated. They also co-created the DC character Damian Wayne.

Morrison's creator-owned work, primarily published through DC Comics' Vertigo imprint, includes Flex Mentallo, We3 with Scottish artist Frank Quitely, Seaguy with artist Cameron Stewart, The Filth with Chris Weston, and the three-volume series The Invisibles. At Marvel, Morrison authored a three-year run on New X-Men and created Marvel Boy for the publisher's Marvel Knights imprint. Between 2016 and 2018, Morrison served as the Editor-in-Chief of the Heavy Metal magazine.

Morrison's work has garnered critical acclaim and they have won numerous awards, including Eisner, Harvey, and Inkpot awards. In 2012, Morrison was appointed Member of the Order of the British Empire (MBE) for services to film and literature.