Power Rangers Samurai The Samurai Power Rangers–Red Ranger Jayden, the stoic leader; Blue Ranger Kevin, the devoted second-in-command; Pink Ranger Mia, the big sister; Green Ranger Mike, the creative rebel; Yellow Ranger Emily, the youngest and most innocent; and Gold Ranger Antonio, the expressive fisherman/tech wiz– fight the evil Master Xandred and his army of Nighloks, who want to flood the planet with the waters of the Sanzu River to bring about the end of civilization.