What is "calocerus"

Saint Calocerus was a 2nd-century Christian martyr. 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.

According to tradition, Calocerus preached at Albenga and was martyred in this town.