Saint Calocerus was a 2nd century Christian

Christian

A Christian is a person who adheres to Christianity, an Abrahamic, monotheistic religion based on the life and teachings of Jesus of Nazareth as recorded in the Canonical gospels and the letters of the New Testament...

 martyr

Martyr

A martyr is somebody who suffers persecution and death for refusing to renounce, or accept, a belief or cause, usually religious.-Meaning:...

. He was probably an officer in the Roman army

Roman army

The Roman army is the generic term for the terrestrial armed forces deployed by the kingdom of Rome , the Roman Republic , the Roman Empire and its successor, the Byzantine empire...

 under the Roman emperor

Roman Emperor

The Roman emperor was the ruler of the Roman State during the imperial period . The Romans had no single term for the office although at any given time, a given title was associated with the emperor...

 Hadrian

Hadrian

Hadrian , was Roman Emperor from 117 to 138. He is best known for building Hadrian's Wall, which marked the northern limit of Roman Britain. In Rome, he re-built the Pantheon and constructed the Temple of Venus and Roma. In addition to being emperor, Hadrian was a humanist and was philhellene in...

 and was stationed in Brescia

Brescia

Brescia is a city and comune in the region of Lombardy in northern Italy. It is situated at the foot of the Alps, between the Mella and the Naviglio, with a population of around 197,000. It is the second largest city in Lombardy, after the capital, Milan...

 in Lombardy

Lombardy

Lombardy is one of the 20 regions of Italy. The capital is Milan. One-sixth of Italy's population lives in Lombardy and about one fifth of Italy's GDP is produced in this region, making it the most populous and richest region in the country and one of the richest in the whole of Europe...

, Italy

Italy

Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

. His life and legend are associated with Saints Faustinus and Jovita

Saints Faustinus and Jovita

Saints Faustinus and Jovita were said to be Christian martyrs under Hadrian. Their traditional date of death is 120. They are patron saints of Brescia."Jovita" is a woman's name. In some accounts the saints were instead Faustinus and Jovinus, brothers....

, and according to tradition, all three saints were soldiers from Brescia.

According to tradition, Calocerus preached at Albenga

Albenga

Albenga is a city and comune situated on the Gulf of Genoa on the Italian Riviera in the Province of Savona in Liguria, northern Italy.left|thumb|220px|Towers of Albenga.The economy is mostly based on tourism, local commerce and agriculture-History:...

 and was martyred in this town.

Veneration

A local cult devoted to Calocerus was limited to the dioceses of Brescia, Milan

Milan

Milan is the second-largest city in Italy and the capital city of the region of Lombardy and of the province of Milan. The city proper has a population of about 1.3 million, while its urban area, roughly coinciding with its administrative province and the bordering Province of Monza and Brianza ,...

, Asti

Asti

Asti is a city and comune of about 75,000 inhabitants located in the Piedmont region of northwestern Italy, about 55 kilometres east of Turin in the plain of the Tanaro River...

, Ivrea

Ivrea

Ivrea is a town and comune of the province of Turin in the Piedmont region of northwestern Italy. Situated on the road leading to the Aosta Valley , it straddles the Dora Baltea and is regarded as the centre of the Canavese area. Ivrea lies in a basin that, in prehistoric times, formed a great lake...

 and Tortona

Tortona

Tortona is a comune of Piemonte, in the Province of Alessandria, Italy. Tortona is sited on the right bank of the Scrivia between the plain of Marengo and the foothills of the Ligurian Apennines.-History:...

. The cathedral of Albenga, built in the fourth and fifth centuries, was dedicated to him. The alleged tomb of Saint Calocerus is conserved in the Civic Museum at Albenga. The cathedral of Albenga contains an urn with some of his relics.