Because you like Sun Kwon in Lost
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.
Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.
Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.
Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.
A Berlin-based locksmith by day, Wolfgang Bogdanow is a world-class thief by night. He can also see out of other people's eyes, but that's a different issue. See them in Sense8.
A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.
In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.
There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.
Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.
With each reboot, Janet progresses more and becomes capable of human emotions. See them in The Good Place.
Jail hasn't broken Andy Dufresne's spirit, but will his spirit help break him out of jail? See them in The Shawshank Redemption.
A blood-thirsty warrior on the battlefield, Ragnar Lothbrok is a dedicated family-man at home. See them in Vikings.