Personality
Fidio is an apathetic and calm person. Along with his passive demeanor, Fidio seems to never exerts effort on anything unless absolutely necessary. Also, because of his attitude, Fidio doesn't talk much, and he rarely gets angry, though he does appear to get irritated often.
In general, Fidio doesn't express his emotions much. On the other hand, he is surprisingly smart and clever, having a brilliant deduction skills. Despite all of that, he can be kind and he does care about his friends.