Frey

Frey (フレイ) is a mysterious boy who summons resurrected monsters defeated by the previous Kamen Riders such as the Evolved Heart Roidmude, the Terror Dopant, Lord Baron, the Sagittarius Nova, the Kyoryu Greeed, and Kamen Rider Wiseman. He also steals all of the historical figure Ghost Eyecons from Kamen Riders Ghost and Specter, as well as Kamen Rider Ghost's Toucon Boost Ghost Eyecon, rendering the Riders powerless without their form changes.

Portrayal
Frey is portrayed by Ryo Ogawa (小川 涼), who also portrays Freya.