Because you like Nozomu Itoshiki in Sayonara, Zetsubo Sensei
Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.
Ethical but anxious, Chidi Anagonye approaches life like a problem to be solved. See them in The Good Place.
Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..
A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.
Shrek is a nasty-on-the-surface ogre with a heart of gold and an earful of wax. See them in Shrek.
Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
Equal parts klutzy and clever, Ella is not afraid to take her fate into her own hands. See them in Ella Enchanted.
Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.