Because you like The Doctor in Star Trek Voyager

Jyn Erso is a rebellious criminal tasked with stealing the blueprint to the Death Star to find its fatal flaw before it destroys the planet. See them in Rogue One.

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

Tiffany Doggett is usually a nice, good Christian. Just don't get her riled up! See them in Orange Is The New Black.

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

Billy Batson is a troublemaking teen grappling with a pretty weird superhero identity crisis See them in DC Extended Universe.

John Locke is an eerily calm, confident believer in the magic of the island that gave him his legs back. See them in Lost.

A premier member of the leather cat-suit club, Selene can chill you with a stony look, or ice you with her ninja moves. See them in Underworld.

Nomi Marks is a brilliant hacker with an open-minded, accepting spirit. See them in Sense8.

A cocky surgeon, Stephen Strange is learning that magic is more real than he could ever imagine. See them in Marvel Cinematic Universe.

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

Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.

Bobby Singer is a redneck ghost hunter, but all he wants to do is retire to the junk yards of South Dakota. See them in Supernatural.