Luca Balsa used to be considered friendly and too trusting by most people. No one knows where he came from or has seen his family, but clearly, he's well educated. He has a tremendous sense of pride and he is curious about all sorts of scientific inventions.
And so it's no surprise that he became the assistant of the most famous inventor in town.
The great inventor thinks highly of Luca and a lot of people thought he would be the inventor's successor. 