Because you like Samus Aran in Metroid
Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.
Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.
A self-professed psychopath, James kills small animals for fun. After getting bored of that, he is ready for an ambitious murder. See them in The End of the F World.
Aimee Finecky has big dreams, but she's too busy taking care of everyone else's desires. See them in The Spectacular Now.
Luke Danes will serve you coffee and always be there for you to help out. See them in Gilmore Girls.
Will Byers is just like any other twelve year old, except he's stuck in another dimension. See them in Stranger Things.
Alyssa Foley is a blunt and crass teenage runaway. See them in The End of the F World.
As the White House Press Secretary, C. J. Cregg is a master of verbal karate and the best damn basketball player in Ohio Valley history. See them in The West Wing.
There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.
Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.