Hajime Isayama is a Japanese manga artist. His first series, Attack on Titan (2009–2021), became one of the best-selling manga series of all time with 140 million copies in circulation as of November 2023. He received a special award at the 50th Angoulême International Comics Festival in 2023.

Attack on Titan is a Japanese manga series written and illustrated by Hajime Isayama. It is set in a world where humanity is forced to live in cities surrounded by three enormous walls that protect them from gigantic man-eating humanoids referred to as Titans; the story follows Eren Yeager, who vows to exterminate the Titans after they bring about the destruction of his hometown and the death of his mother. It was serialized in Kodansha's monthly magazine Bessatsu Shōnen Magazine from September 2009 to April 2021, with its chapters collected in 34 tankōbon volumes.