Fra Ambroz Testen (1897-1984) is undoubtedly one of the most intriguing self-taught painter in modern Croatian art. His work if full of contrasted colours, light and dark, blurred and clear shapes. What do his pieces tell us about his personality? Relying on the psychodynamic analytical model, we can identify manifestations of unconscious psyche in creative expression. This article describes the use of psychodynamic analysis to interpret Fra Testen's paintings.