Baku Yorozu (万津 莫, Yorozu Baku) is the main protagonist of Kamen Rider Zeztz. He is a young man who transforms into Kamen Rider Zeztz (仮面ライダーゼッツ, Kamen Raidā Zettsu) and protects people's dreams from the Nightmares. Initially an agent of CODE known as Code Number: Seven (コードナンバー：セブン, Kōdo Nanbā: Sebun), he defected from the organization and began operating independently, adopting Zeztz (ゼッツ, Zettsu) as his new codename.