Because you like The Creature in Frankenstein
Catwoman might be slightly unhinged, but you can't say this feline villainess isn't confident. See them in DC Extended Universe.
Angela Martin is uptight and puritanical, outside of the affair she's having with a co-worker. See them in The Office.
After several hundred years of shutting himself out from the rest of the world, Japan's not used to dealing with nations, See them in Axis Powers Hetalia.
Nicholas Angel is super-dedicated to his job as a police officer. Maybe a little too dedicated. See them in Hot Fuzz.
An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.
Connor Walsh is arrogant enough to think he's the smartest guy in the room, and quick-witted enough to prove that he is. See them in How to Get Away with Murder.
Gruff and efficient, Sam Fisher protects a nation that can never admit he exists. See them in Tom Clancy's Splinter Cell.
C is for cookie, and that's more than good enough for him. See them in Sesame Street.
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.
Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.