Because you like Rainbow Dash in My Little Pony

Daria Morgendorffer is so defensive that she actively works to make people dislike her so that she don't feel bad when they do. See them in Daria.

He may seem like a charismatic leader, but Bellamy also has a ruthless, self-serving streak See them in The 100.

When Kat starts to develop confidence, she realizes that there is nothing more powerful than a fat girl who doesn’t give a damn. See them in Euphoria.

Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.

A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.

Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.

If you cross him, Tommy Shelby is the last man you'll ever see. Not too hard on the eyes though. See them in Peaky Blinders.

When push comes to shove, the usually overly cautious Luigi has the heart of a hero. See them in Super Mario Bros..