We are typically very aware as to which character is to be seen as the hero and which one is the villain. However, sometimes this leads us to look past the mistakes and flaws of the hero. Which creates a bias, thus making the villain look even worse.
As a Dutchman I grew up with these computers at school. I remember a game called Ancalagon, featuring very simple zombies, made of ASCII characters. I used to change the names of the zombies to the names of my tea