Because you like Steve Sanders in Beverly Hills, 90210
Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.
Jasper Jordan is trying his best to make it through the night. See them in The 100.
Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.
Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.
Luke Danes will serve you coffee and always be there for you to help out. See them in Gilmore Girls.
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.
A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.
Georgina Sparks uses beauty, brains, and power to always get her way. See them in Gossip Girl.
Marge Simpson is a mostly happy housewife and subscriber to Sponge and Vacuum Magazine. See them in The Simpsons.
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.