Because you like Ellen Ripley in Alien

Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

Elio Perlman likes the piano, peaches, and his father's new research assistant a little too much. See them in Call Me by Your Name.

Joey Potter is a low-key girl next door in love with her best friend. See them in Dawson's Creek.

Love Quinn is a trained chef and excellent girlfriend, but she's hiding something dark. And bloody. See them in You.

A star student destined for Princeton, nerdy Devi Vishwakumar dreams of losing her virginity to a stone-cold hottie who can "rock her all night long." See them in Never Have I Ever.

Winston Bishop is sweet, thoughtful, and a little oblivious. And above, he's a loyal friend. See them in New Girl.

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

An alien, a time-traveler, and an esper are following Haruhi Suzumiya, who – unknown to herself – is a near-omnipotent reality warper. See them in The Melancholy of Haruhi Suzumiya.

Anastasia Steele's new boyfriend Christian might as well come with a warning label that reads "Beware: Severe Issues That Might Warrant a Trip to Dr. Phil." See them in Fifty Shades of Grey.

Pro tip: the psych ward is not the best place to find a mentor like Lisa Rowe. See them in Girl, Interrupted.

Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.