|First game||Fire Emblem Heroes|
|Voiced by (English)||Ray Chase|
|Voiced by (Japanese)||Tatsuhisa Suzuki|
Being a prince of the kingdom of Askr, people protested when he joined the Order of Heroes, though others felt it was his usual behavior. He was once friends with a fellow member named Zacharias, who eventually disappeared, leaving Alfonse cautious of befriending other heroes.