Jason Aaron is an American comic book writer who has worked across multiple major publishers. He is best known for his creator-owned series Scalped and Southern Bastards, which established him as a distinctive voice in comics. At Marvel, Aaron has written numerous significant titles including Ghost Rider, Wolverine, PunisherMAX, Thor, and The Avengers. His work on Thor has been particularly notable, as he co-created the character Gorr the God Butcher and introduced the concept of Jane Foster becoming Thor in the main Marvel Universe. In 2019, he wrote the central miniseries for the company-wide crossover storyline "The War of the Realms." Beyond Marvel, Aaron has also worked for DC Comics, contributing to Absolute Superman.