성별 : 정보신청
생일 : 정보신청
키/몸무게 : 정보신청

Roswaal L. Mathers (ロズワール・Ｌ・メイザース)A Margrave as well as an Imperial Wizard and Count who is a benefactor and sponsor for Emilia's bid for the throne. He has strange appearance and voice that Subaru likens to a clown. He is a highly influential individual who is also one of Lugnica's powerful mages.