Because you like Donna Noble in Doctor Who

Father to a murdered son and husband to a murdered wife, Maximus Decimus Meridius will have his vengeance. See them in Gladiator.

Always headed towards adventure, Goku is frequently with a band of loyal companions at his side. See them in Dragon Ball.

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.

Killua Zoldyck is so tired of killing. He just wants to be a kid, hanging out and doing stuff with his friends. See them in Hunter x Hunter.

Other people's opinions have never mattered much to Haruka Nanase, and they aren't going to start to do so now. See them in Free! Iwatobi Swim Club.

It's certainly easier to get great footage of crimes when you can guarantee they'll happen. See them in Nightcrawler.

A super-soldier, Master Chief might be more machine than man. And for humanity's sake, thank God. See them in Halo.

Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.

A rugged frontiersman and consummate survivor, Hugh Glass has a relationship with the natural world that is downright spiritual. See them in The Revenant.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.

Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.