Utsusemimaru

"The Thundering Hero, Kyoryu Gold is here!"

Utsusemimaru (空蝉丸) is Kyoryu Gold, a Sengoku Period Samurai who was trapped in the sentient Raging Knight Dogold armor. His partner is the Zyudenryu Pteragodon.

400 Years Ago
A Samurai from the Sengoku Period (the Warring States Era) of Tokugawa Japan, Utsusemimaru's entire clan is killed by the Deboss, including his partner Jurota.

When Torin is about to be executed by Dogold, he changes into Kyoryu Gold and saves Torin's life. However, Dogold attempts to escape into a dimensional portal and Utsusemimaru gives chase, only to be absorbed by the armor itself..

Present Day
After the fateful day four centuries ago, Dogold returns, but not Kyoryu Gold, in which this puts Torin in question. After a heated battle, Kyoryu Red breaks Dogold's mask, revealing the face of Utsusemimaru.

With the quick thinking of Amy, Torin, and Ramires; Utsusemimaru was able to escape from Dogold's armor and transform into Kyoryu Gold, free from his centuries old spell.

Super Hero Taisen Z
Kyoryu Gold appears in Kamen Rider × Super Sentai × Space Sheriff: Super Hero Taisen Z where he teams up with  to fight a currently unidentified monster.

Portrayal
Utsusemimaru is portrayed by Atsushi Maruyama (丸山敦史). As Kyoryu Gold, his suit actor is Naoki Ofuji (大藤 直樹).