Because you like Nala in The Lion King
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.
Rainbow Dash's interests include flying, playing pranks, and generally being themost awesome pony around. See them in My Little Pony.
Lilo is an Elvis-loving, troublemaking, imaginative little girl. See them in Lilo & Stich.
After years of living vicariously through other people's heroic stories, Wade Watts is about to become a hero himself. See them in Ready Player One.
April Kepner is an excellent surgeon, but outside of the operating room, she's more anxious than most. See them in Grey's Anatomy.
Hunting ghosts is both a job and a passion for Abby Yates. See them in Ghostbusters (2016).
Danny Zuko's car is auto-matic. Its system-matic. Its hyyyyydro-matic. Why, its greased lightning! See them in Grease.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
Summer Roberts is privileged and preppy but also surprisingly open-minded and fiercely loyal. See them in The O.C..
Maria Rambeau is a tough-as-nails Air Force pilot who is also a loving single mom. See them in Marvel Cinematic Universe.
Woody is a selfless leader of Andy's toys who likes change less than a snake in his boots. See them in Toy Story.