Because you like Jack Harkness in Doctor Who
Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.
CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.
For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.
Amy Santiago likes following the rules a little too much. See them in Brooklyn Nine-Nine.
Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.
Jim Hopper is a weary and beaten down police officer who numbs his pain through beer, pills, and cigarettes. See them in Stranger Things.
The incomplete experiment of an inventor, Edward Scissorhands was left with blades instead of hands and an unpolished understanding of the world. See them in Edward Scissorhands.
A life spent as "Number Two" is bound to give Diego Hargreeves an inferiority complex. See them in The Umbrella Academy.
Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.
With those dearest to him dead and no one to trust, Max Rockatansky is a slightly hysterical man alone on the run in a post-apocalyptic world. See them in Mad Max: Fury Road.