Because you like Mark Renton in Trainspotting

Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.

Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.

A legendary warrior with a complicated relationship to the truth, Jaime Lannister is revered and reviled in equal measure See them in Game of Thrones.

Anywhere there's adventure, Jaskier is there to write a catchy song about it. See them in The Witcher.

Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.

Rue Bennett has been overprescribed and under-supervised her entire life. See them in Euphoria.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.