Because you like Merry Brandybuck in The Lord of the Rings
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
Emily Gilmore is the DAR chair, proud grandmother, and full of opinions. See them in Gilmore Girls.
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.
Vincent Vega likes a good steak, a cheap milkshake, and killing a target without anything going wrong. See them in Pulp Fiction.
Privileged young Bruce's childhood was nearly perfect. Now, his life is anything but. See them in Gotham.
There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.
Benji Applebaum is not a total nerd. He also happens to be super into magic. See them in Pitch Perfect.
Despite this being Robin Buckley's first rodeo with the strange things that go down in Hawkins, she is quick to adapt and proves herself to be a loyal friend. See them in Stranger Things.
Violet Parr is an angsty teen would love to become even more invisible than her superpowers allow. See them in The Incredibles.
In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.