Because you like Rupert Giles in Buffy the Vampire Slayer
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.
Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.
A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.
Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
Phoebe Halliwell is a bestselling author and martial arts master with power of premonitions. See them in Charmed.
If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.
Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.
Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.
Klaus Baudelaire's photographic memory saves the lives of his siblings many times over. See them in Lemony Snicket's A Series of Unfortunate Events.