He was probably an officer in the
Roman army under the
Roman emperor Hadrian and was stationed in
Brescia in
Lombardy,
Italy. His life and legend are associated with
Saints Faustinus and Jovita, and according to tradition, all three saints were soldiers from Brescia. The constancy of Faustinus and Jovita led to the conversion of Calocerus, who in turn converted
Secundus of Asti. According to tradition, Calocerus preached at
Albenga and was martyred in this town. ==Veneration==