Because you like Gilderoy Lockhart in Harry Potter Series

If you need her, Lisa Simpson will be in her room with her saxophone and a good book. See them in The Simpsons.

While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.

Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.

James T. Kirk is more than ready to face the final frontier. See them in Star Trek.

Accessing more than 10 percent of your brain can do strange things to anyone, and Lucy is Exhibit A. See them in Lucy.

Greg Hirsch is new to the Roy family's cutthroat world of wealth and privilege. See them in Succession.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Trevor Phillips is an unpredictable maniac who tortures people for no reason. See them in Grand Theft Series.

With his perfectly combed hair and flashy military outfits, France can charm the pants off of anyone—well except his fellow nations, it seems. See them in Axis Powers Hetalia.

Years of constant assault by mean classmates, rude teachers, and her abusive mother is making Carrie White want to fight back. See them in Carrie.