Because you like Angela Abar / Sister Night in Watchmen
Rick Sanchez is a gruff, alcoholic mad scientist, with the emphasis on "mad." See them in Rick and Morty.
Jim Hopper is a weary and beaten down police officer who numbs his pain through beer, pills, and cigarettes. See them in Stranger Things.
For Morgana, sometimes wanting to do the right thing can led you down the wrong path. See them in Merlin.
Donna is boisterous and spunky traveller of the TARDIS, exploring worlds beyond the simple mundane enterprises of Earth. See them in Doctor Who.
For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.
Beware! Anton Chigurh carries a coin with him, which he forces his victims to flip to decide whether they will live or die. See them in No Country for Old Men.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Clarice Starling is patiently working with one serial killer to stop another. See them in The Silence of the Lambs.
Rebecca Bunch struggles with decision making. So much so that she chases her high school boyfriend across the country to win him back. See them in Crazy Ex-Girlfriend.