Because you like Bowser in Super Mario Bros.

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

A neurotic people pleaser, Tom Wambsgans is both ambitious and spineless. See them in Succession.

Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.

This is not a democracy. According to Torrance Shipman, it's a "cheerocracy." See them in Bring It On.

While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.

It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.

With a unique ability to empathize with killers, Will Graham helps society but his sanity pays the price. See them in Hannibal.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.

Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.

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.