Because you like Rory Williams in Doctor Who
Cisco Ramon is a proud, enthusiastic member of a superhero support team. See them in DC Extended Universe.
Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.
For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.
A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.
Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.
Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.
Success for Eggsy Unwin means joining Kingsman, and failure could mean death. See them in Kingsman: The Secret Service.
Few can match this dwarf when it comes to self-confidence. Gimli is as eager for a good time as he is for a fight. See them in The Lord of the Rings.
How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.