Because you like Saruman in The Lord of the Rings
A malevolent dark wizard, Voldemort is so fearsome that he's known primarily as "He Who Must Not Be Named." See them in Harry Potter Series.
The only thing Albert Wesker cares about is turning himself into a God. See them in Resident Evil Series.
Leslie Burke is bold, courageous, and imaginative enough to create a world from scratch. See them in Bridge to Terabithia.
Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.
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.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.
Jacob Kowalski is just a baker caught up in an otherworldly adventure. See them in Fantastic Beasts and Where To Find Them.
Short on book smarts but long on compassion, this high school football player secretly has a soulful side. See them in Glee.
Disgust is a friend who makes sure you stay away from all things gross. See them in Inside Out.
Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.