Because you like Micky Ward in The Fighter
This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
Handsome Jack is wearing a mask of his own face to hide his scarred real one. See them in Borderlands Series.
A man of the court, Lord Varys knows how to manipulate it better than anyone. See them in Game of Thrones.
Protecting his family's name and its power are more important to Tywin Lannister than anything or anyone. See them in Game of Thrones.
Jessica Rabbit isn't bad. She's just drawn that way. See them in Who Framed Roger Rabbit.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.
Mike Ehrmantraut is rutheless, merciless, and probably the most endearing hitman you've ever met. See them in Breaking Bad.
Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.
Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.
Point the fun-loving Pippin Took towards second breakfast, and he's one happy hobbit. See them in The Lord of the Rings.