|This article is about a/an monster in Kamen Rider Zero-One.|
Rentaro Tachibana (立花 蓮太郎 Tachibana Rentaro) is a florist who is hired by ZAIA Japan to compete against Sakuyo Ichirin but is given a Raidriser and Progrisekey by Naki to transform into the Crushing Buffalo Raider (クラッシングバッファローレイダー Kurasshingu Baffarō Reidā).
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Rentaro transforms into the Crushing Buffalo Raider (クラッシングバッファローレイダー Kurasshingu Baffarō Reidā) by using the Crushing Buffalo Progrisekey in the Raidriser.
- Red Bruiser (レッドブルーザー Reddo Burūzā): The red-colored horns on the head. It fights by charging at the enemy with the Red Bruiser lowered.
- Buffablow (バッファブロウ Baffaburou): The hoof-shaped gauntlets on each arm.
- Thruster: The vernier thruster located on the back that grants the Crushing Buffalo Raider increased speed.
Behind the Scenes
Rentaro Tachibana is portrayed by Wakato Kanematsu (兼松若人 Kanematsu Wakato).
- The Crushing Buffalo Raider is the first monster in Kamen Rider Zero-One to use a Progrisekey to transform rather than a Zetsumerisekey. He is also the first monster transformed from a human instead of a Humagear.
- Crushing Buffalo Raider's Buffablow and white humanoid legs are likely a reference to Taurus being known for missing it's lower body.
- Rentaro is the only ZAIA representative to have his cheat to be busted and had his victory initially revoked. However, Rentaro able to win purely during the rematch.
- Kamen Rider Zero-One