Because you like Marius in Les Miserables

Ratchet is a shoot-first, ask-questions-later, and then-shoot-again kind of lombax. See them in Ratchet & Clank.

Juliet Starling is a cheerleader by day, gleefully unhinged zombie killer by night. See them in Lollipop Chainsaw.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

A daring hacker, Trinity is one of the few rebels who escaped the Matrix, a simulation in which most of humanity is enslaved. See them in The Matrix.

Ace pilot Asuka Langley Soryu is confident, haughty, and a little less grown-up than she pretends to be. See them in Neon Genesis Evangelion.

You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.

L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.

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

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.