Because you like Wendy Testaburger in South Park
The only thing Albert Wesker cares about is turning himself into a God. See them in Resident Evil Series.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Michael Moscovitz is a high school student of few words but a lot of heart. See them in The Princess Diaries.
Josh Lucas just can't stop hanging around his stepsister's house. See them in Clueless.
A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.
Leonidas is not the kind of king who merely gives orders; rather, he's out on the battlefield fighting alongside his men. See them in 300.
Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.
If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.
Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.
Kumar Patel is always high, always hungry for sliders. See them in Harold & Kumar Go To White Castle.
Char is always thinking two or three steps ahead of the enemy. See them in Mobile Suit Gundam Series.
Stuck in space, Ryan Stone will either make it back to Earth and have one hell of a story to tell. Or she will burn into the ether. See them in Gravity.