Because you like Henry Hill in Goodfellas
Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.
Raphael is a short-fused hothead who loves a good fight and some tasty pizza. See them in Teenage Mutant Ninja Turtles.
A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.
Daring on a bike but haunted in his personal life, even Johnny Blaze isn't fast enough to outride his past. See them in Ghost Rider.
When the going gets tough, Rick Grimes gets tougher. It's a very useful trait when the world goes to hell. See them in The Walking Dead.
Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.
Rick Sanchez is a gruff, alcoholic mad scientist, with the emphasis on "mad." See them in Rick and Morty.
With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.
Clementine Kruczynski thinks that too many guys think she's a concept, or she completes them, or she's gonna make them alive. See them in Eternal Sunshine of the Spotless Mind.
If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.
An All-American football player, a ping pong star, and a freakishly determined runner, Forrest Gump has a ton of stories to tell. See them in Forrest Gump.
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.