Because you like Corvo Attano in Dishonored
Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.
Yugi Moto is a gentle soul whose determination and talent make him a formidable opponent. See them in Yu-Gi-Oh! .
Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.
Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.
Donkey Kong is a strong, banana-loving, and caring uncle to Diddy Kong. See them in Donkey Kong.
Daring on a bike but haunted in his personal life, even Johnny Blaze isn't fast enough to outride his past. See them in Ghost Rider.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Imperator Furiosa is a badass patriarchy toppler. She'll do anything to secure a better, freer future for the women she cares for. See them in Mad Max: Fury Road.
Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.
The "runt" of his biker gang, Tetsuo Shima grapples with a perpetual inferiority complex. See them in Akira.
A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.