Because you like Howard Wolowitz in The Big Bang Theory

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

Peter Kavinsky is a jock who only cares about getting back at his ex, or so he says. See them in To all The Boys I've Loved Before.

A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.

Anakin Skywalker is said to be the chosen one, who will destroy the evil Sith. But he struggles with Jedi ideals as he grows in power. See them in Star Wars Series.

Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.

Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.

Arizona Robbins loves being a pediatric surgeon, and the cute orthopedic surgeon downstairs makes coming into work worth her while. See them in Grey's Anatomy.

For Jack Pearson, the best thing about having triplets is giving three times the love. See them in This Is Us.

Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.

Obi-Wan Kenobi is a sage Jedi who doesn't need to say much to teach you a galaxy's worth of wisdom. See them in Star Wars Series.

Some might call Jess Mariano mysterious. Others just call him moody. See them in Gilmore Girls.

Juliet Capulet falls head over heels for her rival family's resident sweet talker, Romeo. See them in Romeo & Juliet.