Gorillaman (Japanese: ゴリラーマン, Hepburn: Gorirāman) is a Japanese manga series written and illustrated by Harold Sakuishi. It was serialized in Kodansha's seinen manga magazine Weekly Young Magazine from 1988 to 1993, with its chapters collected in 19 tankōbon volumes. It was adapted into a two-episode original video animation (OVA) animated by J.C.Staff in 1992. A sequel, titled Gorillaman 40, was serialized in Weekly Young Magazine from 2020 to 2022. A spin-off, titled Gorillaman 40: Family Arc, was serialized in the same magazine from 2023 to 2024.
For the magazine's 40th anniversary, Sakuishi launched a two-chapter story in Weekly Young Magazine, under the title Gorillaman 40, on October 12 and 17, 2020;[5] it was later serialized in the same magazine from March 28 to August 22, 2022.[1][6] A spin-off manga, titled Gorillaman 40: Family Arc (ゴリラーマン40 ファミリー編, Gorirāman 40 Famirī-hen), was first published as a one-shot in Weekly Young Magazine on October 3, 2022,[7][8] and was later serialized in the same magazine from December 25, 2023,[9] to May 13, 2024.[10]
Kodansha collected the Gorillaman 40 chapters in three tankōbon volumes, released from April 6 to September 6, 2022;[11][12] a fourth volume, including the first six chapters of Gorillaman 40: Family Arc, was released on April 5, 2024,[13][10] and the fifth volume is set to be released in July of the same year.[10]