Calamus

Calamus is one of two children residing in the ruins, the other being his younger sister, Alula. He wears red clothes, has what appears to be red feathers on his arms, and hair resembling a bird's face on his head. He has a single red feather sticking out from the back of his hair.

Background
Not much is known about his background but regarding his family. His father, Rachis, was friends with the Author and for an unknown reason became absent. Calamus, Alula, and their mother lived in the ruins for a time. When their mother passed away, Calamus took the responsibility to look after Alula.

Personality
Calamus is a kind, sensitive, and anxious character. Evidenced by his care and protectiveness over his sister, mild shame when he did not address Niko as the Messiah during their first encounter, and his reaction upon Alula disappearing.

Trivia

 * Calamus' name comes from a term in zoology which indicates the hollow, base portion of a feather.
 * According to Nightmargin, Calamus is a teenager.