Because you like Rose Tyler in Doctor Who
Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.
R2-D2 has been in the galaxy saving business for decades. Not bad for somebody whose vocabulary is limited to "beep-boop." See them in Star Wars Series.
Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.
This isn't the Captian Hook of your nightmares; he's charming and devilishly handsome. See them in Once Upon a Time.
Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.
Polite and clever, Annie James is not afraid to stir up a little mischief. See them in The Parent Trap.
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.
Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.
Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.