Kamen Rider Ghost Final Scans: Final Enemy is Great Eyezer a.k.a. Kamen Rider Extremer, Hermit transform into Kamen Rider Dark Ghost
Kamen Rider Ghost's TV Series Last Enemy is Great Eyezer (Kamen Rider Extremer). He is the fusion of all the souls of the Gamma World and his wants to destroy the whole humanity. All Parka Ghost will appear to fight them along with Takeru.
By the way, I know he is Kamen Rider Extremer but it seems like he will be referred as Great Eyezer to differentiate him from Argos who had appeared in the movie.
Hermit will transform into Kamen Rider Dark Ghost. It is not known which he is on.
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