Because you like Hoban Washburne in Firefly

Jenny Flint is a devoted wife and daring crime fighter, which is pretty unconventional for a Victorian maid. See them in Doctor Who.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.

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.

Joe West is overprotective and secretive when his children are involved. See them in DC Extended Universe.

Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.

Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.