Clen

One of the Four Great Demon Beast Kings, he dwells upon the Moon Mountain of the South. He is also known as "Clevatess of the Moonlight." He possesses a massive, jet-black body resembling that of a wolf, with a single long horn protruding from his forehead and seven sharp tails.

Deeming that he could not walk the human world while retaining his colossal form, Clevatess assumed a human guise. It is modeled after the appearance of the pageboy who entrusted him Luna.