Ogami Ryou

尾上亮

Ogami Ryou is the Swordsman of Earth of the Sword of Logos.

A veteran swordsman of the Sword of Logos' Northern Base for 15 years.

Considers himself to be the strongest swordsman of all, as he carries the massively large Holy Blade, Earth Blade Gekido.

He is the father to Ogami Sora, who he loves dearly. Also considers himself to be the "ultimate king of parenting".

Using Gekido, Ryou transforms into the Kamen Rider Buster, one of the many swordsman Riders in Kamen Rider Saber.

Kamen Rider Buster

仮面ライダーバスター

Suit actor: Okamoto Jirou

Known as the Swordsman of Earth, Buster is the primary wielder of the Earth Blade Gekido.
Transforms with Wonder Ride Books attached to Gekido before pulling the blade's trigger.
Buster is themed after a knight and the Black Tortoise. Wields Gekido with massive strength.
Buster's element is Gekido (激土) or quaking earth.

Genbu Shinwa

玄武神話

Gekido Second Edition. A great blow is driven home. From the blade of the impenetrable shell of the North.
First appearance: Ep 03

Height 202.1cm	Weight 146.7kg
Punch power 14.2t	Kick power 26.4t
Jump power 8.4m	100m Dash 8.2s

Genbu Shinwa
Attached to the Earth Blade Gekido.
Motif: Black Tortoise. Element: Gekido.
Applies great force when swinging Gekido.

Buster's default form.
Finisher(s) via Gekido:

Big Huge Slash (大断断) - Gekido grows massively as it attracts rubble before slashing through the enemy.

TV Asahi site

Genbu Jackun

玄武ジャッ君

Gekido Second Edition. A great blow is driven home. From the blade of the impenetrable shell of the North.
First appearance: Ep 04

Height 202.1cm	Weight 150.7kg
Punch power 15.4t	Kick power 29.7t
Jump power 9.1m	100m Dash 8.1s

Jackun-to-Domamenoki
Attached to the Earth Blade Gekido.
Motif: Jack and the Beanstalk. Element: Gekido.
Uses beanstalk-like vines to hold his ground when pushed back.