Because you like Sideshow Bob in The Simpsons
An adventurous dreamer, George Bailey always winds up putting other people's dreams first. See them in It's A Wonderful Life.
Undercover as an average high school student, Kallen Stadtfeld is actually most at ease when the action's fast, furious, and dangerous. See them in Code Geass.
Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.
The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.
Wheatley's got an endless supply of bad ideas that he wants to share. See them in Portal Series.
Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.
It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.
He may seem like a charismatic leader, but Bellamy also has a ruthless, self-serving streak See them in The 100.