The leader of the Zodiac Alliance. Male. He is a kind and charismatic leader.

Transforms into Kamen Rider Datt. Uses the Ride Ex 4, Sclash Bone Buckle, and Mice Driver to transform. Female. She follows Maou-sama with pure devotion. She is close friends with Muton and Horse.

Transforms into Kamen Rider Jao. Uses the Mice Driver, Ride Ex 6, and Bite Bone Buckle to transform. Male. He lives his life in solemn obedience to Maou-sama.

Female. Transforms into Kamen Rider Muton. Uses the Ride Ex 8, Ride Bone Buckle, and Mice Driver. She has an innocent and cheerful personality and is usually sleeping, though she does wake up sometimes. Her speech pattern involves ending sentences with "-noja" and calling people "-sama" or "Ken-sama." She is close with Horse.

The host of Zodiac Colors. Male. 25 years old.

Transforms into Kamen Rider Mice. A Meister of the Mizuki family. Uses the Mice Driver and Ride Ex 1. Male. He is kind and has a cool personality.

Female. An innocent and airheaded high school girl. She authorizes Sora Otosumi's transformations and cancellations. Her transformation phrases are "Become a little mouse!" and "Return to a human!" A second-year high school student.

Male. Transforms into Kamen Rider Vanken. Uses the Ride Ex 11, Mice Driver, and Shot Bone Buckle. He enjoys looking at song collections and reading poetry.

Male. Transforms into Kamen Rider Tigre. Uses the Mice Driver, Sclash Bone Buckle, and Ride Ex 3 to transform.

A member of the Zodiac Alliance. Transforms into Kamen Rider Lido. Uses the Mice Driver, Ride Ex 1, and Hammer Bone Buckle. Male. He obeys Maou-sama. He is currently infiltrating the Mizuki household as Lady Yuna's private tutor.