Because you like The Man with No Name in The Good, the Bad and the Ugly
Tifa Lockhart is part mother hen, part martial arts bad-ass. See them in Final Fantasy Series.
The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.
Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.
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.
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.
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
David Rose likes his rose chilled, his linens pressed, and his family quiet. See them in Schitt's Creek.
Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
Crono may not talk, but this time-traveling hero's heart speaks volumes. See them in Chrono Trigger.
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.