Because you like Chun-Li in Street Fighter
Foul mouthed and disturbingly comfortable with violence, Hit-Girl is a precocious assassin who doesn't need anyone's protection. See them in Kick-Ass.
John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.
There's no obstacle too great for this charismatic treasure-hunter. See them in Uncharted.
An opportunistic fugitive-turned-bounty-hunter, Faye Valentine uses both grit and her good looks to get ahead. See them in Cowboy Bebop.
Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.
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.
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.