Because you like Marcus Fenix in Gears of War
Kesuke Miyagi is a karate expert who thinks the best way a scrawny high schooler can learn how to defend himself is by washing every surface in sight. See them in The Karate Kid.
An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.
Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.
After Rintarou Okabe develops the Phone Microwave, some of his fantasies start to seem uncomfortably real. See them in Steins;Gate.
Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.
Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.
Ciel Phantomhive is a haughty teenage nobleman who doesn't suffer fools gladly. See them in Black Butler.
Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.