Because you like Tom Hagen in The Godfather

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

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

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.