Two statue on the corner, each with a shield with a coat of arms and the name:
Sankt Stephanus, coat of arms of Austria. protomartyr of Christianity, preached shortly after Jesus' crucifixion. He is condemned for blasphemy and stoned to death by an infuriated mob (Wikipedia).
Sankt Nikolaus, coat of arms of bishop Urban von Trennbach (1525-1598). (4th century), Bishop of Myra
(Wikipedia).