Because you like Tally Youngblood in Uglies
It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.
There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
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.
Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.
After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..
Squidward Tentacles is a pretentious clarinet player in search of peace and quiet. See them in SpongeBob SquarePants.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
Corpse Bride's dreams were taken from her. But now - now she's stolen them from someone else. See them in Corpse Bride.
Some might call Jess Mariano mysterious. Others just call him moody. See them in Gilmore Girls.