St. Columban's church has a baroque façade from 1784. There are three saint's statues at and in front of the façade.
(in a niche above the entrance) Sankt Columban - Saint Columbanus, (Navan, Ireland 540 - Bobbio, Italy 615),
Irish missionary notable for founding a number of monasteries on the European continent from around 590 in the Frankish and Lombard kingdoms (Wikipedia)
On columns flanking the stairs (we are not sure about the identification).
(left) Sankt Aloysius von Gonzaga - Saint Aloysius Gonzaga - (Castiglione delle Stiviere 1568 - Rome 1591)
Italian Jesuit. Canonized by Pope Benedict XIII in 1726
(right) Sankt Franciscus Xaverius - Saint Francis Xavier - (Javier, Navarra 1506 - São João Island, China, 1552), pioneering Roman Catholic missionary, co-founder of the Society of Jesus
Furthermore, there are two statues of angels flanking the gable.