Because you like James Wilson in House M.D.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.

Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.

With her mastery of martial arts and her prodigious building skills, Wyldstyle projects an air of invincibility. But she's not bulletproof. See them in The Lego Movie.

A majestic ruler, Mufasa is respected throughout the animal kingdom. See them in The Lion King.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

Peter Pevensie shows as much courage as a child king as he did under The Blitz of London. See them in The Chronicles of Narnia.

Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.

Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.

This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.

This lab mouse has one thing on his huge brain: trying to take over the world on a nightly basis. See them in Pinky and the Brain.