Kosuke Nitoh

Kyosuke Nitoh (仁藤 攻介) is the secondary rider of Kamen Rider Wizard. Kamen Rider Beast make his first appearance in the 2012 Movie War film, Kamen Rider × Kamen Rider Wizard & Fourze: Movie War Ultimatum. He has the special ability to absorb the power of the Phantoms to regain his strength and to gather mana.

Kyosuke Nitoh
Kyosuke Nitoh (仁藤 攻介, Nitō Kyōsuke) is a student archeologist who discovered the Beast Driver in one of his expeditions. He also has an unusual liking to mayonnaise, putting it on everything including doughnuts. When he finds Phantoms or Ghouls, he refers them as his food and will do anything to destroy and absorb them. It's shown that when Haruto finds Phantoms and tries to defeat them, Kyosuke will get angry for interfering with his "feeding time".

However it is shown that he sees Haruto as a friend and uses his Dolphi Mant to heal him when his Mana was mostly depleted.

Rise of Beast
Kyosuke soon meet Haruto, Shunpei, and Rinko. Even though, Kyosuke is such a really nice guy, Haruto feel there something secret. Haruto then decide to keep eye on Kyosuke. However, Manticore Phantom also send by Wiseman to keep eye on Kyosuke. Haruto then change to Wizard to guard Kyosuke, while Kyosuke run into safety place. However, even though Wizard can defeat Ghouls easily, Wizard is poisoned by Manticore Phantom. Haruto also see that Kyosuke had escape. Meanwhile, Kyosuke is interested by a tarot fortune teller. Kyosuke then decide to let the fortune teller predict his future. The fortune teller say that Kyosuke will get a bad future, but Kyosuke very doesn't believe it, since he always super positive thinking. The fortune teller then revealed to be Manticore Phantom. Haruto arrives to save Kyosuke, but Kyosuke change into Kamen Rider Beast. Kamen Rider Beast use Chameleo Mant to attack the Ghouls unnoticed and absorbed their mana, thoguh Manticore Phantom successfully poisoning Kamen Rider Beast. However, Beast use Dolphi Mant to cure himself and Haruto, but his mana almost depleted. Kamen Rider Beast then use Falco Mant and overpowering the Manticore Phantom. Kamen Rider Beast then use Falco Saber Strike to defeat Manticore Phantom and absorbed his mana. Though greeted by Haruto over his victory, Kyosuke still doesn't want to reveal how he can be Kamen Rider Beast.

Mants
Unlike Wizard, Beast doesn't have access to alternate forms. Instead, he uses single shoulder cape-like armaments called Mants (マント, Manto) to help him gain an advantage over his foes.

Devices

 * Beast Driver - Transformation device
 * Dice Saber - Kamen Rider Beast's weapon
 * Beast Color - Gives access to Beast's mantle changes
 * Griffin PlaMonster - Beast's familiar

Portrayal
Kyosuke Nitoh is portrayed by Tasuku Nagase (永瀬 匡).

As Kamen Rider Beast, his suit actor is Eitoku (永 徳), whom among the majority of his various roles are Heisei Kamen Riders. He is also the suit actor for The White Wizard. He is the first Secondary Rider of the Neo-Heisei era and the first Secondary Rider since Kamen Rider Ixa in Kamen Rider Kiva whose suit actor of Kamen Rider Ixa is Jun Watanabe (渡辺 淳), who started as Secondary Rider suit actor when he was suit actor for Kamen Rider Diend in Kamen Rider Decade.

Trivia

 * He is the first secondary rider to be colored gold, and the fourth in general after Agito, Odin, and Caucasus.
 * He is similar to Kamen Rider OOO in his Latorartar Combo, as they both are yellow/gold in color and have a lion motif.
 * Him using a Griffin as a PlaMonster is probably alluding to how Griffins have the body of a lion.