Menicius was the first son born to Devlin and Kalika Arkenshar. He spent all of his life as a sidhe training, learning and meditating, trying to reach the lofty goal of becoming a shapeshifter. Startlingly brilliant from a very young age, he could speak like a well-educated 30-year-old by the time he was ten due to all the time he spent in his father's study reading. Menicius practically inherited a lifetime's worth of wisdom from reading his father's journals, so he was quite wise beyond his years as well.

Time passed, and at the age of eighteen, the sidhe who never stopped training became a shapeshifter through sheer force of will. He is now enjoying life with full control over his shifting abilities, and looks forward to joining Eurekah's faith and living life to its fullest.