Because you like DEATH in Discworld
Protecting Earth from mystical threats and training new members, Ancient One has her hands full with her latest recruit Stephen Strange. See them in Marvel Cinematic Universe.
Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.
Omar Little is a pretty chill guy, as long as you can forgive the stealing and killing people. See them in The Wire.
With her consciousness so easily shifted between bodies, Motoko Kusanagi is left unsure of who or what she really is. See them in Ghost in the Shell.
K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.
He may be one of the Four Horsemen of the Apocalypse, but War still maintains a strong sense of honor. See them in Darksiders Series.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
If anyone can stay optimistic and friendly under harsh alien rule, it's Alyx Vance. See them in Half-Life 2.
Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.