Because you like Kayla Day in Eighth Grade
Newt Scamander is more comfortable with animals than people, even if the animals are super-dangerous magical creatures. See them in Fantastic Beasts and Where To Find Them.
Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.
Elena Gilbert is the quintessential girl-next-door who gets involved with the new "boy" at school. See them in The Vampire Diaries.
This thrill-seeking driver lives by a very particular moral code. He stands by his word and he's loyal to a fault. See them in Drive.
It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.
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.
Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.
Given his ability to wrench street signs from the ground, Shizuo Heiwajima is a useful one to have in dangerous Ikekuburo. See them in Durarara!!.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Smart but insecure, Tally Youngblood is torn between what she wants and what her society demands. See them in Uglies.
Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.
A Vietnam vet, Travis Bickle spends his days driving his taxi and watching porn flicks. See them in Taxi Driver.