"die maus" a German TV cartoon character
With "DieMaus" marking
"Flensburg" is taxing to the gate, the small mouse is painted next to the last door. This is one of the most famous cartoon star in German television.
Note the small mouse under the tail and right to the front door. It's a cartoon of a german television show for children. This show did a documentaion about the construction of this aircraft.
cn: 901. 'Flensburg' noted with the famous mouse.