Because you like April Ludgate in Parks and Recreation
This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.
Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.
Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.
Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.
It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.
Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.
A scary monster on the outside, James P. Sullivan is really a softie on the inside. See them in Monsters, Inc..
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.
Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.
Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.
For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.