|This article is about a/an rider in Kamen Rider Amazons.|
He serves as a administrator at the orphanage who offers Haruka Mizusawa and Mizuki a home after they were hunted by 4C. It is later revealed that he is actually a biologist and the director of the Kiriko Seien (切子聖園), a children's home established by 4C to raise the Domesticated Amazons created from as food for humans.
At first, he seemed to be a kind and calm person who is respected by other orphans. However, he is outraged after Haruka and Muku ruined his project and killed his clients. Mido reveals his true colors as a mad man and begins killing Amazon children.
Powers and Abilities
He uses the Militant Amazons Register (ミリタントアマゾンズレジスター Miritanto Amazonzu Rejisutā) armlet to transform into Kamen Rider Amazon Neo Alpha (仮面ライダーアマゾンネオアルファ Kamen Raidā Amazon Neo Arufa), and the Neo Amazons Driver belt is used to produce weapons and perform finishing moves.
- "(Electrical crackling) Neo!"
- ―Transformation announcement[src]
- Height: 192.5 cm
- Weight: 104.2 kg
Ability Parameters: 
- Punching Power: 26.2 t
- Kicking Power: 30.6 t
- Maximum Jumping Height: 54.9 m
- Maximum Running Speed: 100 m per 3.6 sec
Using the Militant Amazons Register and Neo Amazons Driver allows Einosuke Mido to transform into Amazon Neo Alpha. This form is similar to Amazon Alpha's default form and allows Einosuke to be fully in control of himself.
Neo Alpha's finisher is an unnamed attack where he unleashes a barrage of shots from the chain gun part of the Neo Alpha Sweeper before slashing the opponent with the chainsaw part.
Appearances: Kamen Rider Amazons: The Last Judgement
Behind the scenes
Einosuke Mido was portrayed by Nobuo Kyō (姜 暢雄 Kyō Nobuo), whom previously portrayed the Horse Fangire in Kamen Rider Kiva and Isshuu Kasumi/KuwagaRaiger in Ninpuu Sentai Hurricaneger. As Kamen Rider Amazon Neo Alpha, he was portrayed by suit actor Yuya Nawata (縄田 雄哉 Nawata Yūya).
- Jin Takayama - original Kamen Rider Amazon Alpha.