Because you like Saber in Fate/Stay Night
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.
Skye is a pluck hacktivist who tries to use her power for good. Unfortunately, " good" isn't always so clear-cut. See them in Marvel Cinematic Universe.
A Haddock always has a trick up his sleeve! Tintin is lucky to have Captain Haddock as a companion to search for hidden treasure on an adventure around the world. See them in The Adventures of Tintin.
Barbara Kean is loving, selfless, and caring. But, she's less stable than she'd like to admit. See them in Gotham.
Realizing that New York City was in his blood, Wilson Fisk will now do anything to make Hell's Kitchen a better place. See them in Marvel Cinematic Universe.
Charles Xavier is a telepath who believes mutants and humans are both good at heart and can live in harmony. See them in X-Men Series.
Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.
A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.
Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.