Jenius Halfas

Оригінальне ім’я: ジーナス・ハルファス

Vice Principal of the Ranoa Magic Academy, also known as the Ranoa University of Magic. He was formerly a teacher at the University, and taught Roxy during her time as a student. After hearing of Rudeus's achievements as an adventurer, Jenius sends him a letter inviting him to study as a special student in Ranoa.