Because you like Nymphadora Tonks in Harry Potter Series

Sensual, wild, and with a penchant for controlled substances, Lily is a ballet dancer who isn't afraid to let loose. See them in Black Swan.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.

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

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.

The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.

Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.

Dallas Winston is headed down a dangerous, criminal road. See them in The Outsiders.

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Elizabeth Harmon loves to win at chess, but competitive pressure and her past are taking a toll. See them in The Queen's Gambit.

Jughead Jones is seeing the underbelly of his sleepy town. See them in Riverdale.

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

James Wilson is a compassionate doctor who willingly plays the sidekick. See them in House M.D..