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.
On a random, lazy-pajama-type-of-day embarrass myself by singing the very corny song "I Don't Want To Miss A Thing" by Aerosmith while horrendously playing the guitar and using my super out-of-pitch voice. THIS IS PERFECT!