Because you like Rachel Jansen in Forgetting Sarah Marshall

Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.

Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.

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

People think Karen Smith is a dumb blonde, but she disagrees and is proud she can predict the weather with her breasts. See them in Mean Girls.

Pure charm, flirty and fashionable, Lando Calrissian will make sure to get the job done when necessary. See them in Star Wars Series.

Dee Reynolds is selfish, narcissistic, and a target of extremely cruel ridicule. See them in It's Always Sunny in Philadelphia .

Jessica Davis is the girl that guys like to like. See them in Thirteen Reasons Why .

Haley Dunphy's interests include shopping, dating, and avoiding homework at all costs. See them in Modern Family.

The singer and ukulele player of her girl band, Sugar "Kane" Kowalczyk is the life of a party and the woman of a man's dreams. See them in Some Like It Hot.

Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.