Because you like Harvey Milk in Milk

A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.

Hell hath no fury like an evil fairy scorned. See them in Maleficent.

What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

Smart and sensitive Sam Winchester tried to escape the family business, but ghosts have a way of haunting you. See them in Supernatural.