Whirlwind Kid | Shōnen Senpūji 少年旋風児 |

Osamu Kishimoto (1936–) is a Japanese mangaka whose career developed during the rapid expansion of magazine manga in postwar Japan.
He belonged to the generation of professional artists who helped transform manga from emonogatari picture-stories, akahon, kashihon, and other early postwar publications into a widely distributed medium through large-circulation magazines for shōnen, shōjo, and teenage readers.

Kishimoto was a frequent contributor to magazines such as Bokura, Shōnen, Shōnen Club, and Omoshiro Book. He produced detective stories, samurai adventures, westerns, and science-fiction narratives for major publishers including Kodansha, Kobunsha, Shogakukan, Akita Shoten, and Shueisha.

One of his most notable series, Shōnen Senpūji (少年旋風児, Whirlwind Kid), appeared in 1960. The story follows the young detective Tachibana Goro as he becomes entangled in a series of increasingly dangerous and fantastical conflicts.

Tachibana Goro a.k.a. The Whirlwind Kid, faces the notorious criminal Jim Boy, along with immortal villains, criminal organizations, and supernatural threats such as shape-shifting men, deadly plagues, and monstrous creatures. The series blends detective action, martial arts, and science fiction, featuring elaborate battles with swords, shields, crossbows, and other inventive weapons and devices.

Kishimoto was one of the founding members of Hikari Production, a manga studio established under the guidance of Mitsuteru Yokoyama, creator of Tetsujin 28-go.

His own version of Tetsujin 28-go appeared in Adventure King from November 1980 to October 1981.
In 1966–67, he also produced manga adaptations of the popular Ultraman, including Bemular, Green Monster, and Mysterious Comet Typhon for Gendai, as well as related work for Bokura (1967).

Kishimoto remained active for decades, with a career spanning nearly half a century, from the magazine boom of the 1950s to the mature industry of the late twentieth century.

Whirlwind Kid (Shōnen Senpūji) remains his signature achievement, a whirlwind of action, intrigue, and inventive spectacle that captured the imagination of young readers and reflects both the collaborative spirit of mid-century manga production and Kishimoto’s distinctive creative voice.