Also known as: ガシャコンバグヴァイザー
A beam gun/chainsaw Gashacon Weapon wielded by Kamen Rider Genm. A separate upgraded version is called the Gashacon Bugvisor II or Zwei.
When attached to the Bugster Buckle, it becomes the Buggle Driver.
The original Bugvisor is purple while the Zwei version is aqua colored.