Professor Balthazar
The Flying Fabian
S1 E4:
Professor Balthazar's friend Fabian, the tram driver, is a nice fellow who takes care of a hungry and freezing bird in the wintertime. Grateful, the little sparrow teaches Fabian to fly the next spring. However, Fabian loses his job after causing an accident. Professor Balthazar helps his unemployed friend by inventing a flying tram.