Because you like Spike Spiegel in Cowboy Bebop
Morticia Addams hates anything bright and cheery and loves all things ghoulish, ghastly, and violent. See them in The Addams Family.
Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.
A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.
Carolos has perfect hair, a lab coat, and a constant readiness to do science. See them in Welcome to Night Vale.
An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.
A brilliant "extractor," Dom Cobb has spent the past few years running from the authorities and his inner demons. See them in Inception.
Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.
Auggie Pullman is a true wonder depite what some cruel classmates say. See them in Wonder .
A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.