Because you like Leonard Hofstadter in The Big Bang Theory

Years of brutal winters, foreign invasions, and crippling loneliness have left Russia's mental state far from wholly intact. See them in Axis Powers Hetalia.

Galina Reznikov is the head chef of prison, cooking up meals as well as storms on anyone who dares to cross her; even the guards are terrified of her. See them in Orange Is The New Black.

Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.

Logan Huntzberger is a daredevil, romantic, and heir to a media empire. See them in Gilmore Girls.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Aimee Finecky has big dreams, but she's too busy taking care of everyone else's desires. See them in The Spectacular Now.

The biggest lesson from this inspiring teacher? Carpe diem. See them in Dead Poets Society.

Emma Frost's superpower: transforming her body into an unbreakable diamond. See them in X-Men Series.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Veronica Lodge is a quintessential mean girl trying to make a better life, and a better self. See them in Riverdale.

Glenn Rhee somehow never loses his enthusiastic spirit – even in the middle of a zombie apocalypse. See them in The Walking Dead.

A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.