Ryuko Saito  

, 斎藤リュウコ

In the narrative, Saito serves as the adversary of the protagonists, Gawl, Koji, and Ryo. He is an enigmatic scientist with expertise in time travel. His objective is to hinder the actions of Gawl, Koji, and Ryo. To achieve this goal, he takes advantage of Dr. Tekuma Nekasas desire for revenge against his past enemies by manipulating him into doing his bidding. Saito frequently employs Generators to carry out his malicious deeds and often attempts to eliminate or capture Gawl and his companions.