Because you like Amy Pond in Doctor Who
Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.
Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.
Protecting Earth from mystical threats and training new members, Ancient One has her hands full with her latest recruit Stephen Strange. See them in Marvel Cinematic Universe.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.
Nicholas Angel is super-dedicated to his job as a police officer. Maybe a little too dedicated. See them in Hot Fuzz.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.
Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.
Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.
R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.