Because you like Tintin in The Adventures of Tintin
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
An upbeat, fun-loving teen, Sora would do anything for his friends. See them in Kingdom Hearts.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.
Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.
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.
Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.
Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.