Dottore was a man of valor, greatness, arrogance.

Genius

Dottore is a ruthless man who does not value innocent lives.

Many descriptions that come to mind would have the word selfish in them, which is the main charm in Dottore. 

Ego soars through the ceiling, but it does better than expected. His goal was clear in his ideology.

He never showed any hostility. But an extreme lack of empathy permeates the habit. from his voice which gives the impression that he always looks down on others