Because you like Sam Witwicky in Transformers

Despite being at the bottom of the social hierarchy in school, Eric Effiong is an upbeat student who loves makeup and fashion. See them in Sex Education.

Garnet is a Crystal Gem who'll protect her friends with her life. See them in Steven Universe.

For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.

After being resurrected and discovering his new morphing abilities, Alex Mercer uses them to combat the virus now ravaging New York. See them in Prototype Series.

A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.

Veronica Lodge is a quintessential mean girl trying to make a better life, and a better self. See them in Riverdale.

Casey Gardner is an angsty teenage girl with quite a bit of sass that keeps getting her in trouble. See them in Atypical.

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.

Robbie Turner has been accused of a crime he never committed, changing the course of his life forever. See them in Atonement.

Joey Tribbiani's true passions in life are acting, sandwiches, football, sex, and asking ladies, "how you doing?" See them in Friends.

A literal fallen star, Yvaine is temperamental, sarcastic, and a bit on edge. See them in Stardust.

His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.