Because you like Tom Paris in Star Trek Voyager

Krusty The Clown somehow makes life sillier and more somber at the same time. See them in The Simpsons.

James T. Kirk is more than ready to face the final frontier. See them in Star Trek.

Though seemingly caring and calm, this motel owner has a mysterious streak of intensity. See them in Psycho.

Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.

For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.

He may forget his homework, lose his toad, and fall off brooms, but Neville Longbottom can also single-handedly destroy villains. See them in Harry Potter Series.

Velma Dinkley is all about getting results, not taking credit. She is the unsung hero of Mystery Inc. See them in Scooby-Doo.

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.

Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.