Because you like Penny Hartz in Happy Endings

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

Few can match this dwarf when it comes to self-confidence. Gimli is as eager for a good time as he is for a fight. See them in The Lord of the Rings.

Robbie Turner has been accused of a crime he never committed, changing the course of his life forever. See them in Atonement.

A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.

It's hard enough for Marta Cabrera to be part of a murder investigation, but when you can't lie? See them in Knives Out.

Despite being at the bottom of the social hierarchy in school, Eric Effiong is an upbeat student who loves makeup and fashion. See them in Sex Education.

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.

Jim Stark is a teen torn apart by what the world asks of him. See them in Rebel Without A Cause.

Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.

Luke Danes will serve you coffee and always be there for you to help out. See them in Gilmore Girls.

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.