Because you like Wladyslaw Szpilman in The Pianist
Spencer Reid's super-smarts helps catch killers, and his social awkwardness endears co-workers. See them in Criminal Minds.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
Twisted and seemingly soulless, Bellatrix Lestrange finds joy in making others suffer. See them in Harry Potter Series.
Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Ezio Auditore Da Firenze is a little short-tempered, a lot fun-loving. See them in Assassin's Creed Series.
Clementine is a beacon of innocence in a dangerous, deadly world. See them in The Walking Dead (Video Game).
Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.
Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.
The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.
An ambitious man of science, Norman Osborn has become green with envy over Spider-Man's powers. See them in Marvel Cinematic Universe.