Because you like William Somerset in Se7en

Leatherface's moods change with his masks. See them in The Texas Chainsaw Massacre.

Barry Egan has too many anger issues to list here. See them in Punch Drunk Love.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

Simon Spier has long known that he's gay, but he doesn't know how to open up about that – even to his closest friends See them in Love, Simon.

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .

Lazy and cynical‚ Bernard Black is the ultimate curmudgeon. See them in Black Books.

Losing her soul frightens Vanessa Ives the most. See them in Penny Dreadful.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

Once a handsome prince, the Beast is now a grumpy, furry, monster. It's hard to pinpoint which mammal he resembles the most. See them in Beauty and the Beast.

Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.

With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.

An undercover DEA agent, Max Payne is too focused on avenging the past to plan for the future. See them in Max Payne.