Because you like Baron Wolfgang von Strucker in Marvel Cinematic Universe
Sephiroth wants nothing more than to seize the power of the Lifestream in order to become a god. See them in Final Fantasy Series.
Freddie Freeman is a superhero aficionado with a dark sense of humor. See them in DC Extended Universe.
Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.
Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.
Winn Schott is just your friendly neighborhood superhero support system. See them in Supergirl.
General of the formidable Dora Milaje, Okoye is forced to make the difficult choice of staying loyal by the king’s side, or to her good friend who was overthrown. See them in Marvel Cinematic Universe.
You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Drusilla's hobbies include dolls, music, and killing people. See them in Buffy the Vampire Slayer.
Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.
Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.