Because you like Pamela Voorhees in Friday the 13th
Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.
Armed guards, FBI agents, notorious serial killers – Hannibal Lecter has bested them all, with time to finish dessert afterwards. See them in The Silence of the Lambs.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
The chronically bizarre Dwight Schrute is the world’s most dependable assistant to the regional manager. See them in The Office.
GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.
Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.
Phoenix Wright is an easygoing defense attorney who is rarely defensive. See them in Ace Attorney Series .
Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.
A fearless superhero, Carol Danvers always aims to go higher, further, faster. See them in Marvel Cinematic Universe.
Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.