Because you like Captain von Trapp in The Sound of Music
Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.
Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.
Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.
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.
Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.
A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.
Peter Pevensie shows as much courage as a child king as he did under The Blitz of London. See them in The Chronicles of Narnia.