Because you like Sabrina Fairchild in Sabrina
Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.
Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.
Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.
Ahsoka Tano hopes to be a very powerful and knowledgeable Jedi one day. See them in The Clone Wars.
Jacob Kowalski is just a baker caught up in an otherworldly adventure. See them in Fantastic Beasts and Where To Find Them.
Shawn Hunter may be a bit of a rebellious bad boy, but he has a heart that's pure gold. See them in Boy Meets World.
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.