Because you like Mark Renton in Trainspotting

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.

Cynicism is his armor and words are his weapons, but what Tyrion Lannister would really like is some nice wine. See them in Game of Thrones.

Phoebe Buffay works as a masseuse while attempting to put her spark in a world where everyone else’s seems to have dulled. See them in Friends.

More than any of her friends, Fluttershy is willing to see the best in everyone, a trait that has won over many enemies. See them in My Little Pony.

Fiona Gallagher wants to be able to give her siblings everything that they deserve because her parents aren't going to do it. See them in Shameless.

Though raised to think of himself as a monster, Quasimodo has a heart that holds nothing but compassion. See them in The Hunchback of Notre Dame.

A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.

Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.

The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.

Altair Ibn-La'Ahad is as much a philosopher and detective as he is a killer. He takes nothing at face value and continually searches for deeper truths. See them in Assassin's Creed Series.

World domination and Superman's demise are next on Lex Luthor's to-do list. See them in DC Extended Universe.