Because you like The Man with No Name in The Good, the Bad and the Ugly
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.
The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. 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.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.
For Lee Everett, every day is now just another struggle to collect supplies, find other survivors, and stay alive. See them in The Walking Dead (Video Game).
Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.
Claudia may look young, but she is a wise and philosophical vampire, knowing of the world and the darker nature of man. See them in Interview with the Vampire: The Vampire Chronicles.
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
You couldn't ask for a better, or weirder, daughter like Cassie. See them in Marvel Cinematic Universe.