Negishi is the leader of the Natives, who secretly founded ZECT, and the secondary antagonist in the final arc of Kamen Rider Kabuto.

He was portrayed by Masahiro Kobayashi.


34 years prior to the start of Kabuto, Negishi and the other Natives landed on Earth in a meteorite that struck it in 1971. The Natives warned of a second wave of Worms that were coming to invade Earth and founded ZECT with Riku Kagami to develop the Masked Rider System and the Zecters in order to deal with them. However, secretly, the Natives also harbored other desires.

Negishi at first appears as an ally to the Kamen Riders, introducing himself as a "fan" of Kabuto. However, it is eventually revealed that he and the Natives are conspiring with ZECT to turn all of humanity into Natives, believing that peaceful coexistence between the two races would be impossible. When Riku deviates from the plan, Negishi and Masato Mishima deposes him as leader of ZECT so that Mishima can take his place.

Negishi later meets his demise when Dark Kabuto sacrifices himself to drag Negishi inside a TV studio that explodes and kills both of them.


           Kabuto logo.png Villains

Zecter Riders
Sou Yaguruma | Shun Kageyama | Tsurugi Kamishiro | Souji Kusakabe

Sails Worms
Executive Worms: Rena Mamiya | Reiji Nogi
Natives: Negishi | Masato Mishima
Minor Worms: Aracnea Worm Rubor | Aracnea Worm Flavus | Aracnea Worm Nigrita | Lanprys Worm | Bellcricetus Worm | Epilachna Worm | Pulex Worm | Verber Worm | Verber Worm Rota | Coleoptera Worm Aeneus | Coleoptera Worm Croceus | Coleoptera Worm Argentum | Musca Worm | Sectio Worm Acuere | Formicaalubus Worm Oculus | Formicaalubus Worm | Formicaalubus Worm Maxilla | Viellis Worm | Sepultura Worm | Tarantes Worm Purpura | Genomyas Worm | Brachypelma Worm Aurantium | Brachypelma Worm Viridis | Geophilid Worm | Acarina Worm | Acarina Worm Amber | Culex Worm | Cammarus Worm | Cochlea Worm | Leptophyes Worm | Subst Worm

Riku Kagami | Issei Kurosaki | Tetsuki Yamato | Next-Worms

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