Because you like Joel Barish in Eternal Sunshine of the Spotless Mind

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

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.

Freelance writer Diane is dating a dog and writing a memoir of a horse. See them in Bojack Horseman.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

A 100-plus-year-old who looks like a dreamy teenager, Edward Cullen warns girls to avoid him, which makes them want him even more. See them in Twilight.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.

Undercover as an average high school student, Kallen Stadtfeld is actually most at ease when the action's fast, furious, and dangerous. See them in Code Geass.

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