Ruby

Though an agent of Warp Monarch, Ruby  (ルビー Rubī?, 46-51)  intended to stop Belzeus' scheme by heading to Earth to find Ran. Though thought as an enemy because of Karin's actions, Ruby reveals she's on the GranSazers' side when she saves Ran. Wounded while protecting Ran from Algol, Ruby is taken the JSDF. Once healed, she help Ran awaken as the Communicator to become the vessel of communication between Earth and the Warp Monarch high council.