Tsuchimikado

could refer to either:
*Tsuchimikado Maika: Student of Ryouran Maid School, maid-in-training and step sister of Tsuchimikado Motoharu.
*Tsuchimikado Motoharu: Student of A Certain High School, Magician of Necessarius, and step brother of Tsuchimikado Maika.
*Tsuchimikado Bishu: Magician of Necessarius
*Tsuchimikado Touzu: Magician of Necessarius