One of the 13 riders in Kamen Rider Ryuki. Transformed by Sano Mitsuru. He has strong legs and excels in a kick-based fighting style similar to Muay Thai. He contracted with Gigazelle. Because Gigazelle have a habit of herding with their own kind, the Imperer can also have Gigazelle companions under his command.
Final Vent: The special move, Drive Divider, is activated. He has his Gigazelles charge at the target in rapid succession, before finishing it off with a flying kneeing.
