Because you like Michael Morbius in Marvel Cinematic Universe
Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Jo Wilson is an accomplished doctor who's getting over her past. See them in Grey's Anatomy.
Tempestuous and talented, Claire Randall is a woman with a passionate heart and a quick mind. See them in Outlander.
After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.
Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.
Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.
Ciri had a princess upbringing, and some of the facts of common people's lives are a mystery to her. See them in The Witcher.
Chris Chambers is from a family of social outcasts and criminals, and he wants more than anything to avoid ending up like them. See them in Stand By Me.
Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.
Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.