Because you like Robert Chase in House M.D.

With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.

Rayon is kinder to the world than the world is to her. See them in Dallas Buyers Club.

The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.

Nala is a strong lioness who's loyal to her friends. See them in The Lion King.

Belle is an adventurous, intelligent fairy tale maiden who strives to see the best in everyone. See them in Once Upon a Time.

One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.

Frodo might have carried the ring, but Samwise Gamgee carried the ring bearer. See them in The Lord of the Rings.

Jack Bauer is a terrorist fighter who is scared of nothing and no one. The clock is ticking! See them in 24.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.

They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.