Because you like Sugar "Kane" Kowalczyk in Some Like It Hot

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

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.

Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.

Villanelle is a hired assassin who loves committing murder as much as she loves dressing up in fancy pink ballgowns. See them in Killing Eve.

Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.

If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.

Cosima Niehaus loves exploring the unknown. Even her own DNA is a puzzle, waiting to be unlocked. See them in Orphan Black.

Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..

Dustin Henderson doesn't let the bullies get to him. He's secure in who he is and that his friends have his back. See them in Stranger Things.

When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.

This metal-bending mutant may be misaligned with the genetically normal people of the world, but Magneto's got class for days. See them in X-Men Series.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.