Because you like River Song in Doctor Who

A determined and cold-hearted spy, Cassian Andor will do what it takes to stand up to the evil Galatic Empire. See them in Rogue One.

Guillermo is the best servant a vampire could ask for. For years now. Not that he's counting. See them in What We Do In The Shadows.

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.

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

A blood-thirsty warrior on the battlefield, Ragnar Lothbrok is a dedicated family-man at home. See them in Vikings.

Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.

Morpheus is wise enough to see into the bones of the world. See them in The Matrix.

Aladdin is a street-thief who is on his way up. Way, way up! See them in Aladdin.

Kendall Roy is a wanna be ruthless businessman who comes across more like an anxious teenager. See them in Succession.

Ianto Jones' withdrawn nature conceals his emotional pain. See them in Torchwood.

Connor Walsh is arrogant enough to think he's the smartest guy in the room, and quick-witted enough to prove that he is. See them in How to Get Away with Murder.

How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.