Grant MorrisonGrant Morrison.

Grant Morrison (born 31 January 1960) is a Scottish comic book writer, screenwriter, and producer. Their work is known 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 as well as the graphic novels Arkham Asylum, JLA: Earth 2, and Wonder Woman: Earth One, the meta-series Seven Soldiers and The Multiversity, the mini-series DC One Million and Final Crisis, both of which served as centrepieces for the eponymous company-wide crossover storylines, and the maxi-series All-Star Superman.