Because you like Richie Cunningham in Happy Days
Patrick Verona is a bad boy who's after a tough girl. See them in 10 Things I Hate About You.
Small in stature, Clara Oswald has a big appetite for adventure. See them in Doctor Who.
Hawkeye Pierce is a Devil-may-care Army doc who'd have the Devil laughing and drinking in five minutes flat. See them in M*A*S*H.
Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.
Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.
Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.
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.
Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.
The poster child for relentless cheer and resilience, Kimmy Schmidt may be an abuse survivor but she's also a lover of dancing and karaoke, candy, and dolphins. See them in Unbreakable Kimmy Schmidt.
James T. Kirk is more than ready to face the final frontier. See them in Star Trek.