"The Poet" is Lamia's resident wannabe gentleman. As his name suggests he is very fond of poetry and likes to recite them at any time given, and much to everyone's dismay, he happens to recite them or make his conversation into a rhythmic banter pretty much any time he opens his mouth. Graham seems to be the only one who appreciates his poetry. (Source: TV Tropes)
Doi's landlord, who considers him a troublemaker. He's been known to try to renting out Doi's house to other people during terms when Doi stays at the academy. He also doesn't know about Doi and Kirimaru's identities as ninjas, and they work hard to keep it that way.
The eponymous devil of the Devil Ring. In the past, he was the last King of the Shang Dynasty, King Zhou of Shang, Dixin.
A mysterious magician who prefers to live in isolation, studying magic day and night. Over the years rumors have spread of a dark cat who dabbles in dark magic living somewhere deep and hidden within the forest. There seems to be a history and connection between he, Konoe and Shui. (Source: lamento.wikia.com)
A mysterious lute playing cat Konoe meets in the forest. Also known as the wandering minstrel.
Kil is one of the "Touga"(warrior-cats with extra physical strength) and has a twin brother Ul.