This article is about a/an monster in Uchuu Keiji Gavan. Sai Doubler is a rhinoceros-like the first Doubler and was originally Sai Monster. Its powers include a set of horns on the head, strength, a sword, a shield, teleportation and a human disguise. See Also Rhino Doubler: a Doubler seen years after Maku Spaces defeat modeled after Sai Doubler. Ryjack - Power Rangers counterpart in Beast Morphers. (original counterpart) Retrieved from "https://metalheroes.fandom.com/wiki/Sai_Doubler?oldid=51279" Categories: Uchuu Keiji Gavan Monsters Doublers Rhino Monsters Community content is available under CC-BY-SA unless otherwise noted.