Crushing Buffalo Raider

The Crushing Buffalo Raider is a HumaGear that was hacked transforming him into a Raider and he's the main antagonist for episode 18 of 2019 TV series called Kamen Rider Zero-One. He was a originally a HumaGear named Rentaro Tachibana however due to his anger over the other florist HumaGear he was hacked by an unknown individual when given a Raidriser and a Crushing Buffalo Progrise Key transforming him into a buffalo-themed monster.

History
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.

Trivia

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