It is not stated in the film which Orphnoch Leo is; in the S.I.C Hero Saga prequel story Lost World, he is the first Lion Orphnoch (a different character is the second Lion Orphnoch in the film).
The film Kamen Rider 555: Paradise Lost references the poem by having Faiz being a savior, who will come back to life and bring peace to the world.
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Kamen Rider 555 (2003) - Kobayashi Yoshio/Rabbit Orphnoch(ep. 24-25)
Ho also appeared in the 2003 tokusatsu film Kamen Rider 555: Paradise Lost as Leo/Kamen Rider Psyga; the first non-Japanese Kamen Rider.