Tatsumori Yamada

Tatsumori Yamada is a freshman from Amanogawa High School who later transferred to Subaruboshi High School. He is also the Aries Zodiarts a Horoscope based on the ram constellation with the title the The Apostle of Sleep (眠りの使徒, Nemuri no Shito).

Personality
Yamada is very boastful and threatening. When people refuse to follow his orders, he threatens them to place them in comas.

Abilities
As the Aries Zodiarts, Yamada is armed with a scepter called Coppelius. His powers relevant to his title is to put people in comas but also to have them wake up.

History
Prior to being revealed, the Aries Zodiarts was mentioned several times during Ryusei Sakuta and Tachibana's conversations as the way to have Jiro wake up. By the time the transfers between schools started Yamada made himself known. During the fight against Kamen Rider Fourze and Kamen Rider Meteor, Meteor made a startling blow to Fourze almost killing him. At the same time, Meteor's suit shuts down with Ryusei esposed. Yamada then goes to bribe Ryusei by offering to have Jiro Iseki wake up.