So ein Flegel

So ein Flegel translates as Such a Rascal is a 1934 German comedy film based on the novel Die Feuerzangenbowle. It modifies the story by introducing the concept of two brothers Pfeiffer switching places While the younger brother takes over his elder brothers job, the older brother attends the younger ones school. Heinz Rhmann starred in the double role of the brothers Pfeiffer in this lesser known movie a decade before playing Hans Pfeiffer in the more popular 1944 version.

Source: Wikipedia