Because you like Rose Hathaway in Vampire Academy
Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.
Frank West enjoys the adventure that comes from his work. But a zombie outbreak might be a little too much even for him. See them in Dead Rising.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
Innately shy, Ginny Weasley is growing into a feisty, independent spirit. See them in Harry Potter Series.
Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.
A legendary warrior with a complicated relationship to the truth, Jaime Lannister is revered and reviled in equal measure See them in Game of Thrones.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
Thanos is an intergalactic warlord, on the hunt for infinite power. See them in Marvel Cinematic Universe.