Because you like Miranda Tate / Talia al Ghul in DC Extended Universe
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
With most of the people that Sango loved now gone, the only thing she wants is to kill the demon who destroyed her village. See them in Inuyasha.
A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.
Years of being the less desirable Vargas sibling have given Romano quite an inferiority complex, as well as the temper to match. See them in Axis Powers Hetalia.
Society may reject Felicia, but this bubbly catwoman just wants to spread happiness to others. See them in Darkstalkers .
After figuring out how both the light and dark halves of his soul could co-exist, Jak is maturing into a real hero. See them in Jak and Daxter.
Member of the student council, captain of the fencing team, and part-time model, Juri Arisugawa is idolized by everyone around her. See them in Revolutionary Girl Utena.
Glenn Rhee somehow never loses his enthusiastic spirit – even in the middle of a zombie apocalypse. See them in The Walking Dead.
Charles Boyle is the human equivalent of a puppy, only slightly less adorable. See them in Brooklyn Nine-Nine.
While Fantine's gentleness has led others to take advantage of her, it ultimately forces her to become stronger. See them in Les Miserables.
Susie Salmon has a big heart, even though it's not beating anymore. See them in The Lovely Bones.