Because you like Ianto Jones in Torchwood

Gollum is slimy and seething with hatred, the last person you would want to meet in a dark cave. See them in The Lord of the Rings.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

Billionaire playboy by day and vigilante archer by night, Oliver Queen aims to rid Starling City of crime and atone for his past mistakes. See them in DC Extended Universe.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Clementine is a beacon of innocence in a dangerous, deadly world. See them in The Walking Dead (Video Game).

A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.

Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.

For now Lindsay Weir is a geek, but who knows? Maybe she fits in better with the freaks. See them in Freaks and Geeks.

Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.

Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.

With the ocean breeze behind him and the open seas ahead of him, Jack Dawson feels as if he is king of the world. See them in Titanic.