Because you like Leonard Hofstadter in The Big Bang Theory

Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.

You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.

Meticulous Arthur is always prepared, but he may not be ready to be the point man in the criminal world of dream sharing. See them in Inception.

A deadbeat dad and small-time con-artist, Frank Gallagher gives nothing and yet expects everything. See them in Shameless.

Cooper says he used to look up at the sky and wonder at our place in the stars, but now he looks down and worry about our place in the dirt. See them in Interstellar.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Meet Homelander, the snake that lurks beneath the glossy veneer. See them in The Boys.

David Wooderson has clocked in hundreds of hours cruising around town looking for fun. See them in Dazed and Confused.

A sexy succubus , Morrigan Aensland lives for pleasure. See them in Darkstalkers .

When the Sorting Hat touched Draco Malfoy's head, it placed him in Slytherin, a house that has turned out more dark wizards than any other. See them in Harry Potter Series.

Nothing instills more fear in the Empire than the deep kshhh of Darth Vader breathing through his helmet. See them in Star Wars Series.

A literal fallen star, Yvaine is temperamental, sarcastic, and a bit on edge. See them in Stardust.