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Raidrise! Crushing Buffalo! This charge attack will send you flying.
~ Transformation announcement via RaidRiser

The Crushing Buffalo Raider is a florist who is hired by Zaia Enterprise to compete against Sakuyo Ichirin but is given a RaidRiser and Progrise Key by an unknown individual to transform into a buffalo-themed Raider and he is the main antagonist for episode 18 of the 2019 TV series Kamen Rider Zero-One.

He was a originally a human user named Rentaro Tachibana however due to his anger over the florist HumaGear his feelings were manipulated by an unknown individual which it was then given a Raidriser and a Crushing Buffalo Progrise Key transforming him into a buffalo-themed monster.


He made his second appearance when asked by Aruto of why Sakuyo Ichirin rampage without a Zetsumeriser, but Rentaro denied of such thing.

A while later he was making another bouquet of flowers, but he has some memories that are from yesterday when he was taunted by Sakuyo, so he stopped his job and screamed in frustration.

He appeared in a room of a mansion where he was telling himself that he's going to win for Zaia Enterprise. A while later before the judges tell who is the winner Rentaro brought out the Crushing Buffalo Progrise Key and he placed it on the Raidriser transforming him into a buffalo-themed Raider.

So Aruto and and Gai transformed into Kamen Rider Zero-One and Kamen Rider Thouser and battle the crazed robot before anyone else gets hurt. After the battle Kamen Rider Thouser used his finisher called Thousand Break and freed Rentaro from his rage and monster state.


  • He was the first Buffalo-themed villain since the Buffalo Amazon from the 2018 movie called Kamen Rider Amazons the Movie: The Last Judgement.


           Kamen rider zero one logo.png Villains

Ark | Horobi | Naki | Jin | Ikazuchi | Little Assassin | Azu | Kamen Rider MetsubouJinrai
Magia: Berotha Magia | Kuehne Magia | Ekal Magia | Neohi Magia | Onycho Magia | Vicarya Magia | Gaeru Magia | Mammoth Magia | Dodo Magia | Arsino Magia | Trilobite Magia | Dodo Magia Chick

ZAIA Enterprise
Lyon Arkland | Gai Amatsu | Makio Nodachi | Masamitsu Yuto | Azu | Giger
A.I.M.S.: Yua Yaiba | Eida | Ono | Degawa | Shida | Eifuku | Ito
Raiders: Crushing Buffalo Raider | Splashing Whale Raider | Dynamiting Lion Raider | Storming Penguin Raider | Scouting Panda Raider | Battle Raiders
Solds: Sold9 | Sold20

S | Bell | Moore | Lugo | Buga | Kamen Rider Abaddon

Alternate Timeline
Finis | Will | Soreo Hiden | Battle Magia

Kuroto Dan | Masamune Dan