Because you like Liesl von Trapp in The Sound of Music
Will Byers is just like any other twelve year old, except he's stuck in another dimension. See them in Stranger Things.
Ponyboy Curtis is a "Greaser" on the surface, but he's a sensitive poet underneath. See them in The Outsiders.
With an abundant supply of alcohol, nice restaurants, and free will, Crowley is a demon who is thoroughly enjoying his time on Earth. See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.
How is angel Aziraphale supposed to stop the apocalypse when Hell's forces misplaced the Antichrist somewhere? See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.
Intelligent and compassionate, Hazel Lancaster would rather face things, even bad things, than sugarcoat the truth. See them in The Fault in Our Stars.
Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.
While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.
Mabel Pines loves sparkles, animals, friendship, and fun. See them in Gravity Falls.
Whether it's punching a meteor or saving a teen from jumping, Superman tries to be in as many places as Kryptonianly possible. See them in DC Extended Universe.
Annie Walker can bake a beautiful cupcake, but everything else in her life is a mess. See them in Bridesmaids.