Because you like Mario in Super Mario Bros.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

If it means fulfilling her ambitions, Satsuki Kiryuin will show neither shame nor hesitation. See them in Kill la Kill.

A kind, sensitive medical intern doing the best he can, George O'Malley sometimes struggles to keep up. See them in Grey's Anatomy.

Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.

A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.

Much more than just "Coach Taylor's wife," Tami Taylor is making herself known in town as a caring, persistent guidance counselor. See them in Friday Night Lights (TV).

Liesel Meminger is trying to ease the suffering of those around her, German and Jew alike. See them in The Book Thief.

Holland March is known to wake up hungover in full bathtubs. See them in The Nice Guys.

Eliot Waugh is the unspoken leader of his group of friends at a school for magic. See them in The Magicians.

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

An ironic hipster with a healthy dose of self-deprecation, Dave strives to be cool at all costs. See them in Homestuck.

Facing off-the-charts murder, drugs, and teenage heartbreak in Riverdale, Betty Cooper pursues justice with help from her friends. See them in Riverdale.