Because you like Alex Karev in Grey's Anatomy
Bucky Barnes used to be a good-hearted American soldier. Now he's the cold-hearted Winter Soldier. See them in Marvel Cinematic Universe.
Audrey Horne may seem inquisitive and charming, but she can turn on a dime. See them in Twin Peaks.
It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.
Nick Miller might not have a bank account, but he defintely has a lot of love to give. See them in New Girl.
A reclusive introvert, Liz Sherman has a temper that's literally lethal. See them in Hellboy.
When he's not working as a detective, Lucifer is driving around in a black convertible or having one-night stands. See them in Lucifer.
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
Pengiuns, turtles, and all things scientific is where Sam's expertise lies. Girls are uncharted territory, but Sam is trying to branch out. See them in Atypical.