Because you like Bob Kelso in Scrubs
One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.
Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.
In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.
Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.
A loyal assistant to Nelson and Murdock, Karen Page has a way of finding trouble. See them in Marvel Cinematic Universe.
Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.
Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.