Because you like Deadshot in DC Extended Universe
Spyro the Dragon loves getting into trouble around the Dragon Realms. See them in Spyro the Dragon.
John Wick is a widowed former Navy Seal who becomes a notoriously effective hitman, killing over 124 people with gunshots alone. See them in John Wick.
Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.
Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.
Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.
Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.
David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
Michael Scofield is no criminal, and he didn't get jailed by accident. See them in Prison Break.
Marlin navigates through shark-infested waters, angry anglerfish, a jellyfish bloom and hungry whales to search for his son. See them in Finding Nemo.