Because you like Karl Heisenberg in Resident Evil Series
A genetic experiment engineered to be the perfect assassin, Agent 47 is cold, professional, and lethal. See them in Hitman.
After figuring out how both the light and dark halves of his soul could co-exist, Jak is maturing into a real hero. See them in Jak and Daxter.
For Celty Sturluson, it's rather upsetting to be the only headless girl in a city filled with full-bodied humans. See them in Durarara!!.
Jillian Holtzmann's madcap mind is always whirring and she will transform anything into one of her machines. See them in Ghostbusters (2016).
After being resurrected and discovering his new morphing abilities, Alex Mercer uses them to combat the virus now ravaging New York. See them in Prototype Series.
All it takes to change the course of history is the will of a single man called John Price. See them in Call of Duty Series.
Rick Sanchez is a gruff, alcoholic mad scientist, with the emphasis on "mad." See them in Rick and Morty.
As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.
Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.
Armed guards, FBI agents, notorious serial killers – Hannibal Lecter has bested them all, with time to finish dessert afterwards. See them in The Silence of the Lambs.